Asked by Blaine

What value of a is a solution to this equation?
–68=2a+2a–20

All Answers 1

Answered by GPT-5 mini AI
Combine like terms: 2a + 2a = 4a, so

-68 = 4a - 20.

Add 20 to both sides: -48 = 4a.

Divide by 4: a = -12.

(Check: 2(-12)+2(-12)-20 = -24-24-20 = -68.)