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September 19, 2014

Homework Help: 7th grade math Ms. Sue please

Posted by Delilah on Thursday, December 13, 2012 at 10:09pm.

1.
7r 7 = 2r + 18 (1 point)

r = 5
r = 5
r = 2.2
r = 1.2

2.
2x + 12 = 18 x (1 point)

x = 3
x = 10
x = 6
x = 2

3.
8x 3 = 15x + 18 (1 point)

x = 3
x = 3
x = 2.1
x = .9

4.
6y 6 = 4y + 16 (1 point)

y = 2.2
y = 2.2
y = 11
y = 5

5.
3(x 4) = 5(x + 2) (1 point)

x = 11
x = 11
x = 1
x = 1

My answers:
1. r = 5
2. x = 2
3. x = -3
4. y = 11
5. -11

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