Question

For what values of x must ABCD be a parallelogram: Side AB = 5x - 8 , Side DC = 2x + 7

Answer 1

x = 5

Explanation:

5x - 8 = 2x + 7

-2x -2x

3x - 8 = 7

+8 +8

3x = 15

÷3 ÷3

x = 5

I hope this helps!