Pré-álgebra Exemplos

$3 (x - 4) = 3 x - 12$

Etapa 1

Simplifique $3 (x - 4)$ .

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Etapa 1.1

Aplique a propriedade distributiva.

$3 x + 3 \cdot - 4 = 3 x - 12$

Etapa 1.2

Multiplique $3$ por $- 4$ .

$3 x - 12 = 3 x - 12$

Etapa 2

Represente cada lado da equação em um gráfico. A solução é o valor x do ponto de intersecção.

$x \approx - 42.5\overline{9}, - 42.4\overline{9}, - 42.1\overline{9}, - 42.0\overline{9}, - 41.7\overline{9}, - 41.6\overline{9}, - 41.4\overline{9}, - 41.3\overline{9}, - 41.2\overline{9}, - 41, - 40.8\overline{9}, - 40.5\overline{9}, - 40.4\overline{9}, - 40.1\overline{9}, - 40.0\overline{9}, - 39.7\overline{9}, - 39.6\overline{9}, - 39.3\overline{9}, - 39.2\overline{9}, - 31.8\overline{9}, - 31.7\overline{9}, - 31.6\overline{9}, - 31.5\overline{9}, - 31.4\overline{9}, - 31.3\overline{9}, - 31.2\overline{9}, - 31.1\overline{9}, - 31.0\overline{9}, - 31, - 30.8\overline{9}, - 30.7\overline{9}, - 30.6\overline{9}, - 30.5\overline{9}, - 30.4\overline{9}, - 30.3\overline{9}, - 30.2\overline{9}, - 30.1\overline{9}, - 29.8\overline{9}, - 29.7\overline{9}, - 29.6\overline{9}, - 29.5\overline{9}, - 29.4\overline{9}, - 29.3\overline{9}, - 29.2\overline{9}, - 29.1\overline{9}, - 29.0\overline{9}, - 29, - 28.8\overline{9}, - 28.7\overline{9}, - 28.6\overline{9}, - 28.5\overline{9}, - 28.4\overline{9}, - 28.3\overline{9}, - 28.2\overline{9}, - 28.1\overline{9}, - 28.0\overline{9}, - 28, - 21.2\overline{9}, - 21.1\overline{9}, - 21.0\overline{9}, - 21, - 20.6\overline{9}, - 20.5\overline{9}, - 20.4\overline{9}, - 20.3\overline{9}, - 20.0\overline{9}, - 20, - 19.7\overline{9}, - 19.6\overline{9}, - 19.5\overline{9}, - 19.4\overline{9}, - 19.3\overline{9}, - 19.2\overline{9}, - 19.1\overline{9}, - 19.0\overline{9}, - 19, - 18.6\overline{9}, - 18.5\overline{9}, - 18.4\overline{9}, - 18.3\overline{9}, - 18.2\overline{9}, - 18.1\overline{9}, - 18.0\overline{9}, - 18, - 17.8\overline{9}, - 17.7\overline{9}, - 17.6\overline{9}, - 17.5\overline{9}, - \frac{35}{2}, - 17.3\overline{9}, - 15.8\overline{9}, - 15.6\overline{9}, - 15.5\overline{9}, - \frac{31}{2}, - 15.3\overline{9}, - 15.1\overline{9}, - 15.0\overline{9}, - 15, - 14.8\overline{9}, - 14.6\overline{9}, - 14.5\overline{9}, - \frac{29}{2}, - 14.3\overline{9}, - 14.1\overline{9}, - 14.0\overline{9}, - 14, - 13.8\overline{9}, - 13.7\overline{9}, - 13.6\overline{9}, - \frac{27}{2}, - 13.3\overline{9}, - 13.2\overline{9}, - 13.1\overline{9}, - 13, - 12.8\overline{9}, - 12.7\overline{9}, - 12.6\overline{9}, - 12.5\overline{9}, - \frac{25}{2}, - 12.2\overline{9}, - 12.1\overline{9}, - 12.0\overline{9}, - \frac{52}{5}, - 10.2\overline{9}, - 10.0\overline{9}, - 10, - 9.9, - \frac{49}{5}, - \frac{19}{2}, - \frac{47}{5}, - \frac{46}{5}, - 9.1, - 9, - 8.7, - \frac{43}{5}, - \frac{17}{2}, - \frac{42}{5}, - 8.3, - \frac{41}{5}, - 7.9, - \frac{39}{5}, - 7.7, - \frac{38}{5}, - \frac{15}{2}, - \frac{37}{5}, - 7.3, - \frac{36}{5}, - 7.1, - 7, - 6.9, - \frac{34}{5}, - 6.7, - \frac{33}{5}, - \frac{26}{5}, - 5.1, - 5, - 4.9, - \frac{24}{5}, - 4.7, - \frac{23}{5}, - \frac{9}{2}, - \frac{22}{5}, - 4.3, - \frac{21}{5}, - 4.1, - 4, - 3.9, - 3.7, - \frac{18}{5}, - \frac{7}{2}, - 3.3, - \frac{16}{5}, - 3, - 2.9, - 2.7, - \frac{13}{5}, - \frac{12}{5}, - 2.3, - \frac{11}{5}, - 2, - 1.9, - \frac{7}{5}, - \frac{6}{5}, - 1.1, - \frac{4}{5}, - 0.7, - \frac{3}{5}, - \frac{1}{2}, - 0.3, - \frac{1}{5}, - 0.1, 0, 0.9, 1, 1.3, \frac{7}{5}, \frac{11}{2}, \frac{28}{5}, 5.7, \frac{29}{5}, 5.9, 6, 6.1, \frac{31}{5}, 6.3, \frac{32}{5}, \frac{13}{2}, \frac{33}{5}, 6.7, \frac{34}{5}, 6.9, 7, 7.1, \frac{36}{5}, 7.3, \frac{37}{5}, \frac{15}{2}, \frac{38}{5}, 7.7, \frac{39}{5}, 7.9, 8, 8.1, \frac{41}{5}, 8.3, \frac{42}{5}, \frac{17}{2}, \frac{43}{5}, 8.7, \frac{44}{5}, 8.9, 9, 9.1, \frac{46}{5}, \frac{54}{5}, 10.9, \frac{23}{2}, \frac{58}{5}, \frac{59}{5}, 11.9, 12, 12.1, \frac{62}{5}, \frac{25}{2}, 12.7, 12.8, 12.9, 13.2, 13.3, 13.4, \frac{27}{2}, 13.6, 13.7, 13.9, 14, 14.1, 14.2, 14.3, 14.4, \frac{29}{2}, 14.6, 21.4, 21.5, 21.7, 21.8, 22.1, 22.2, 22.5, 22.6, 22.9, 23, 23.3, 23.4, 23.7, 23.8, 24.1, 24.3, 24.5, 24.6, 24.9, 25, 25.3, 25.4, 43, 43.1, 43.4, 43.5, 43.8, 43.9, 44.2, 44.3, 44.6, 44.7, 45, 45.1, 45.4, 45.5, 45.8, 45.9, 46.2, 46.3, 46.6, 46.7$

Etapa 3