Question

Solve for x

8,10,12,3

Answer 1

10

Explanation:

Multiply the smaller line by 2

which is RS

2x = -20 + 4x

-2x = -20

x = 10

Answer 2

10

Explanation:

2x = 2(-10 + 2x)

x = -10 + 2x

-x = -10

x = 10