I really need Help Please!!!!!!!!


ABCD is a parallelogram. If side AB = 10x - 15, side BC = 5x + 7, and side CD = 6x + 9, find the value of x.


x=____

I really need Help PleaseABCD is a parallelogram If side AB 10x 15 side BC 5x 7 and side CD 6x 9 find the value of xx class=