Question

Solve. 3x - 3 = 21
4.x=s
X
y = 18
Y = 36
_11_ULL

Answer 1

The question is not clear. As much as i understand it:

3x-12=21

3x=21+12

3x=33

x=11

4x=s

(plug in the value of x, as found in the previous step)

4(11)=s

44=s

hope i helped.