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Algebra 1

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1). 7 = z/4
2). -7 = 9 - 7
3). t/6 = -7
4). 20 = x - 3x
5). 5/6x - 1/3 = 5/2
6). (29.5 - 7)/ 1.25
7). 2/3 = 4j/ 6

My answers to these questions are the following:
1). z = 28
2). q = 0
3). t = -42
4). ?
5). ?
6). ?
7). ?

  • Algebra 1 -

    1 and 3 are right. 2???

    4).
    20 = x - 3x
    20 = -2x
    -10 = x

    5.
    5/6x - 1/3 = 5/2
    5/6x = 5/2 + 1/3
    5/6x = 15/6 + 2/6
    5/6x = 17/6
    x = (17/6) / (5/6)
    x = (17/6) * (6/5)
    x = 102/30 = 3 2/5

    You can try the last two yourself. I'll be glad to check your answers.

  • Algebra 1 -

    #2. ? where did q come from?
    #4 x = -10
    #5 x = 17/5
    #6 18
    #7 j = 1

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