−12r − 27 + 8r = −23

Question

Solve the equation

Answer 1

Given equation -12r-27+8r = -23

-4r-27 = -23

Add 27 to each side.

-4r-27+27 = -23+27

-4r = 4

Divide to each side by negitive 4.

-4r/-4 = 4/-4

Solution r = -1.