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April 24, 2014

Homework Help: 7th gade math Ms. Sue please

Posted by Delilah on Tuesday, December 11, 2012 at 6:31pm.

1.
y minus five over three= 1 (1 point)

2
8
18
6

2.
6x + 29 = 5 (1 point)

4
18
204
144

3.
Combine like terms:

21a + 16a (1 point)

5a
5a
37a
37a

Simplify the expression.
4.
9a b 2a 10b (1 point)

7a + 11b
11a + 9b
11a 9b
7a 11b

5.
5(x + 10) + x (1 point)

6x + 15
5x + 15
6x + 50
4x 50

Solve the equation.
6.
4n + 7 + 2n = 1 (1 point)

1
3
3
4

7.
4(y 4) = 8 (1 point)

2
2
4
6

9.
Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point)

2.10b + 12.99 = 21.39; 4 bottles
2.10 + 12.99b = 21.39; 4 bottles
2.10c = 21.39 + 12.99; 6 bottles
21.39 2.10b = 12.99; 16 bottles

My answers:
1. 8
2. ??????
3. -5a
4. 7a 11b
5. 6x + 50
6. 3
7. 6
9. 2.10 + 12.99b = 21.39; 4 bottles

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