Question

1/2s=4s-21 please answer with steps

Answer 1

s = 6

Explanation:

1/2s=4s-21

Multiply each side by 2 to get rid of the fractions

2*(1/2s)=2*(4s-21)

s = 8s - 42

Subtract 8s from each side

s - 8s = 8s -42 -8s

-7s = -42

Divide by -7

-7s/-7 = -42/-7

s = 6