Question

1. -2v - 7 = 23

A:15
B:8
C:-8
D:-15
2.w/4 - 4 = 3
A:-4
B:28
C:3
D:11
3.d/3 + 10 = 7
A:51
B:20
C:0
D:-9
4.3(4 - 2x) = -2x
A:-1
B:1
C:2
D:3

Answer 1

1. -2V-7 = 23

-2V = 23+7
-2V = 30
V = -15.

Answer 2

2. W/4-4 = 3

W/4 = 3+4
W/4 = 7
W = 28.

3. Same procedure as 2.

4. 3(4-2x) = -2x
12-6x = -2x
12 = -2x+6x
12 = 4x
X = 3.