Qual o numero que somado com 10 e multiplicado por 5 resulta em 80

Qual o numero que somado com 10 e multiplicado por 5 resulta em 80

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    (x+10)5=80#10;5x+50=80#10;5x=80-50#10;x=30/5=6
  • (x + 10) * 5 = 80
    5x + 50 = 80
    5x = 80 — 50
    5x = 30
    x = 30 / 5
    x = 6

    Espero ter ajudado. Valeu!

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+ 78 = 82