Question

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9). 3(5z – 7) – 2(9z – 11) = 4(8z – 13) – 17​

Answer 1

Answer:

    $3(5z-7) - 2(9z - 11) = 4(8z -13) - 17$

    $15z-21-18z+22=32z-52-17$

    $15z-18z-32z=-52-17+21-22$

    $-35z=-70$

    $35z=70$

    $z=\frac{70}{35}$

    $z=2$

               Hope it helps you^_^