Question

Need help with B, C, and D.

Answer 1

B: 1/2x - 37 = -84

add 37 to each side,

1/2x = -47

Multiply each side by 2

x = -94

C: 3x/4 = 6/7

multiply each side by 4

3x = 3 3/7

Divide each side by 3

x = 1 1/7

D: 9a + 15 = 10a - 7

add 7 to each side.

9a + 22 = 10a

Subtract 9a from each side

22 = a