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Today, 13:21

What is the solution to the equation 7 (a - 10) = 13 - 2 (2a + 3) ?

a = StartFraction 26 Over 11 EndFraction

a = 7

a = StartFraction 89 Over 11 EndFraction

a = 621

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Answers (1)
  1. Today, 16:55
    0
    a=7

    Step-by-step explanation:

    7 (a - 10) = 13 - 2 (2a + 3)

    Open the bracket

    7a-70=13-4a-6

    Collect like terms

    7a+4a=13-6+70

    11a=77

    divide both sides by 11

    11a/11=77/11

    a=77/11

    a=7
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