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Posted by 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

  • 7th grade math Ms. Sue please - , Thursday, December 13, 2012 at 10:12pm

    YOU ARE PRETTY CORRECT

  • 7th grade math Ms. Sue please - , Thursday, December 13, 2012 at 10:14pm

    What does that mean? Are they all correct?

  • 7th grade math Ms. Sue please - , Thursday, December 13, 2012 at 10:17pm

    All are right! :-)

  • 7th grade math Ms. Sue please - , Thursday, January 17, 2013 at 3:50pm

    yup looks good

  • 7th grade math Ms. Sue please - , Wednesday, December 10, 2014 at 8:04pm

    These are all right i just got 100%

  • 7th grade math Ms. Sue please - , Wednesday, December 2, 2015 at 12:33am

    just took the test the answers are

    1: 5
    2: 2
    3: -3
    4:-11
    5:11
    all the answers were correct except number 4 which is -11

  • 7th grade math Ms. Sue please - , Thursday, January 14, 2016 at 5:39pm

    ok trust me i got 100%
    1.B
    2.D
    3.A
    4.C
    5.B

  • 7th grade math Ms. Sue please - , Saturday, January 16, 2016 at 4:35pm

    the girl that has no friends is right i just took it!!

  • 7th grade math Ms. Sue please - , Tuesday, January 19, 2016 at 12:46pm

    Can you please explain Ms.Sue how to work out the problems its really confusing

  • 7th grade math Ms. Sue please - , Tuesday, December 20, 2016 at 8:22pm

    The correct answers are
    B
    D
    A
    C
    B

  • 7th grade math Ms. Sue please - , Saturday, January 7, 2017 at 8:23pm

    Don't listen to anyone else. Delilah is right.

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