15z-20=4z+20

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Solution for 15z-20=4z+20 equation: 



15z-20=4z+20

We move all terms to the left:

15z-20-(4z+20)=0

We get rid of parentheses

15z-4z-20-20=0

We add all the numbers together, and all the variables

11z-40=0

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

11z=40

z=40/11

z=3+7/11

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