Question

7x/8 = 21

(7x/8)(8) = 21 (8) 7x = 168 7x/7 = 168/7 (x = 24)
A. 24*************
B. 18.375
C. 1.857
D. 19

Answer 1

7x/8=21
times 8 both sides (hack way is times 8/7 both sides)
7x=168
divide both sides by 7
x=24
yah, you are right
A is answer