Answer:
x = 4.
Step-by-step explanation:
X+8=12 Subtract 8 from both sides:
x + 8 - 8 = 12 - 8
4
X+8= 12
Carry over the 8 and make X the subject.
X= 12-8
X= 4
37.5%
1 1/2
Hope that helps!
