Answer:
A.8 ; B.32 ; C. 13 ; D. 5 ; E. X=±3
Explanation:
A. X/12 =2/3
X =(2 X 12) /3
X =8
B. 6/8 = 24/X
8/6 = X/24
X=(8X24) /6
X=32
C. (X+2) /25 =3/5
X+2= (3 X 25) / 5
X+2=15
X=15-2
X=13
D. (17-2X) / 7 =(X-3) / 2
(17-2X). 2 = (X-3) .7 [Multiplied by 14 on both side]
34-4x =7x-21
7x+4x=34+21
11x=55
x=5 [Multiplied by 11 on both side]
E. X² / 36 =1 / 4
X²= 36 /4
X²=9
X=±√9
X=±3