Finite Math Examples

$1 = 4 (- 5) + 1$

Step 1

Move all the expressions to the left side of the equation.

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Step 1.1

Subtract $4 (- 5)$ from both sides of the equation.

$1 - 4 \cdot - 5 = 1$

Step 1.2

Subtract $1$ from both sides of the equation.

$1 - 4 \cdot - 5 - 1 = 0$

Step 2

Simplify $1 - 4 \cdot - 5 - 1$ .

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Step 2.1

Multiply $- 4$ by $- 5$ .

$1 + 20 - 1 = 0$

Step 2.2

Add $1$ and $20$ .

$21 - 1 = 0$

Step 2.3

Subtract $1$ from $21$ .

$20 = 0$

Step 3

Since $20 \neq 0$ , there are no solutions.

No solution