7z-5+4z=160

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Solution for 7z-5+4z=160 equation: 



7z-5+4z=160

We move all terms to the left:

7z-5+4z-(160)=0

We add all the numbers together, and all the variables

11z-165=0

We move all terms containing z to the left, all other terms to the right

11z=165

z=165/11

z=15

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