1.
What is the first step in solving 4
x
– 3 = 9?
A.
Divide each side of the equation by –3.
B.
Divide each side of the equation by 4.
C.
Add 3 to each side of the equation.
D.
Subtract 3 from each side of the equation.
Hint
2.
Solve -18 = 9
z
– 9.
A.
–2
B.
2
C.
1
D.
–1
Hint
3.
Solve 5
r
- 7 = 38.
A.
5
B.
14
C.
9
D.
6
Hint
4.
Solve 4
z
+ 8 = 40.
A.
10
B.
4
C.
28
D.
8
Hint
5.
Suppose you spend $6 for lunch at an arcade. Each game you play costs $0.75. How many games can you play if you brought $15 to spend?
A.
11 games
B.
12 games
C.
10 games
D.
13 games
Hint