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21 January, 04:40

Solve for a - 30=30 - 5a

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Answers (2)
  1. 21 January, 06:12
    0
    a=10

    Step-by-step explanation:

    a - 30=30 - 5a

    Add 5a to each side

    a+5a - 30=30 - 5a+5a

    6a - 30 = 30

    Add 30 to each side

    6a-30+30 = 30+30

    6a = 60

    Divide by 6

    6a/6 = 60/6

    a=10
  2. 21 January, 08:10
    0
    a = 12

    Step-by-step explanation:

    -30 = 30 - 5a

    Move Terms

    5a = 30 + 30

    Add the numbers

    5a = 60

    Divide both sides by 5

    a = 12
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