ABCD is a parallelogram. solve for x and find the lengths of BC=16+2x and AD=10+8x

2 answers

BC = AD.

16 + 2X = 10 + 8X,
2X - 8X = 10 - 16,
-6X = -6,
X = -6 / -6 = 1.

BC = AD = 16 + 2X = 16 + 2 = 18.
x=4