A diferença entre o triplo de um número e 90 é igual a esse número somado 48 Que numero é esse

A diferença entre o triplo de um número e 90 é igual a esse número somado 48 Que numero é esse



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    Nmero desconhecido: x

    3x-90=x+48

    3x-x=48+90

    2x=138

    x=138/2

    x=69

    espero que ajude ^-^

  • Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
    3x - 90 = x + 48     3x-x=48+90#10;    2x=138    x=138div2#10;    x=boxed{69}

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− 1 = 1