Question

Solve the proportion

Answer 1

x = -17/3

Explanation:

(x + 1)/(x - 1) = 14/20

Reduce the fraction on the right side.

(x + 1)/(x - 1) = 7/10

Cross multiply.

10(x + 1) = 7(x - 1)

Distribute on both sides.

10x + 10 = 7x - 7

3x = -17

x = -17/3