Question

Which of the following has one solution? Select all that apply.

A) 10×+5=3(5×+7)
B) 5×-10=×+20
C) 2(6+×)=14+2×
D) 2(4+×)=8+2×​

Answer 1

Explanation:

(A). 10x + 5 = 3(5x + 7)

x = - 16

(B). 5x - 10 = x + 20

x = 7.5