Question

Which equation, when solved, results in a different value of x than the other three?

Answer 1

-7/8(-8/7)x-3/4=20(-8/7)

Explanation:

-7/8(-8/7)x-3/4=20(-8/7)

x-3/4=-21 1/7

x=-21 4/28-21/28

x= 20 3/28

The other three are actually the same problem, and they all equal -23.7