Pré-álgebra Exemplos

$6.9 x - 4 + x - 1.8$

Etapa 1

Some $6.9 x$ e $x$ .

$7.9 x - 4 - 1.8$

Etapa 2

Subtraia $1.8$ de $- 4$ .

$7.9 x - 5.8$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$