Question

solve for r.
8 + 4r = 9r + r - 10
r =
submit

Explanation:

Step1: Combine like terms on right

$8 + 4r = 10r - 10$

Step2: Subtract $4r$ from both sides

$8 = 6r - 10$

Step3: Add 10 to both sides

$18 = 6r$

Step4: Divide by 6 on both sides

$\frac{18}{6} = r$

Answer:

$3$