Math 8R - help!!!!!!!

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Combining Like Terms
1. 3a + a = 16
2. 9x - 3x = 30
3. 5w + 3w = 24

I really need help with this, can you at least do one or two for me so I can do the other problem.

  • Math 8R - help!!!!!!! -

    1.
    3a + a = 16
    4a = 16
    a = 16/4
    a = 4

    2.
    9x - 3x = 30
    6x = 30
    x = ?


    I'll be glad to check your answers for #s 2 and 3.

  • Math 8R - help!!!!!!! -

    how did you got 4 for #1????

    and 6 for #2????

  • Math 8R - help!!!!!!! -

    3a + a = 4a

    9x - 3x = 6x

  • Math 8R - help!!!!!!! -

    can you please explain to me for #1
    and for #2 is the answer is 5???

  • Math 8R - help!!!!!!! -

    never mind about #1 since you already explain it to me

    but is my asnwer is correct for #2?

  • Math 8R - help!!!!!!! -

    because 30/5 is 6

  • 2 is correct Laruen -

    Yes

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