Question

What is the value of r in the equation 4r − 8 = 5r + 12?

−20
−1
1
20

Answer 1

r = -20

Step-by-step explanation

4r-8=5r+12

subtract 4r from both sides of the equation

-8=r+12

subtract 12 from both sides of the equation

-20 = r

Answer 2

R = -20

Explanation: