Question

current skill $
solve the equation modeled by the algebra tiles below:
skill code: 71053

Explanation:

Step1: Translate tiles to equation

$-5x + 2 = 7$

Step2: Subtract 2 from both sides

$-5x + 2 - 2 = 7 - 2$
$-5x = 5$

Step3: Divide by -5 on both sides

$\frac{-5x}{-5} = \frac{5}{-5}$

Answer:

$x = -1$