Question

B) 2×+8=54
C) 7×-2=5×-18
D) 12×-4=8+10×
E) 2×-4=×+11
F) 8×=5×+30

Answer 1

2x+8=54
2x=54-8
2x=46
x=46/2
x=23

7x-2=5x-18
7x-5x=-18+2
2x=-16
x=-16/2
x=-8

12x-4=8+10x
12x-10x=8+4
2x=12
x=12/2
x=6

2x-4=x+11
2x-x=11+4
x=15

8x=5x+30
8x-5x=30
3x=30
x=30/3
x=10