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Exercise

$3\left(\:x\:-\:9\right)\:=\:-15$

Step-by-step Solution

1

Divide both sides of the equation by $3$

$\frac{3\left(x-9\right)}{3}=-\frac{15}{3}$
2

Simplify the fraction $\frac{3\left(x-9\right)}{3}$ by $3$

$x-9=-\frac{15}{3}$
3

Divide $-15$ by $3$

$x-9=-5$
4

We need to isolate the dependent variable $x$, we can do that by simultaneously subtracting $-9$ from both sides of the equation

$x-9+9=-5+9$
5

Canceling terms on both sides

$x=4$

Final answer to the exercise

$x=4$

Try other ways to solve this exercise

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