Question

ABCD is a parallelogram. If side AB = 12x - 7, side BC = 5x + 7, and side CD = 7x + 18, find the value of x.

Answer 1

5

Explanation:

because it's a parallelogram , ab and nd have to be equal. so 12x-7 has to be = 7x+18 . so 5x=25 and so x=5