Question

13.If 3(5z-7)-2(9z-11)=4(8z-13)-17,then z=?

Answer 1

Answer:

z = 2

Step-by-step explanation:

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

15z-21-18z+22 = 32z-52-17

-3z+1 = 32z-69

1+69 = 32z+3z

70 = 35z

z = 70/35

z = 2

Answer 2

Answer:

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