In parallelogram ABCD AB is 5x+2 and DC is 8x - 7 How do I find x?

x=3

Step-by-step explanation:

In a parallelogram, AB has to be equal to DC

5x+2 = 8x-7

Subtract 5x from each side

5x-5x+2 = 8x-5x-7

2 = 3x-7

Add 7 to each side

2+7 = 3x - 7+7

9 = 3x

9/3 = 3x/3

3 = x