Question

solve for r. -7 - 7r = -10r + 8 r =

Explanation:

Step1: Add $10r$ to both sides

$-7 -7r +10r = -10r +8 +10r$
$-7 +3r = 8$

Step2: Add 7 to both sides

$-7 +3r +7 = 8 +7$
$3r = 15$

Step3: Divide by 3 on both sides

$\frac{3r}{3} = \frac{15}{3}$
$r = 5$

Answer:

$5$