-15z-7=-17z-13

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Solution for -15z-7=-17z-13 equation: 



-15z-7=-17z-13

We move all terms to the left:

-15z-7-(-17z-13)=0

We get rid of parentheses

-15z+17z+13-7=0

We add all the numbers together, and all the variables

2z+6=0

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

2z=-6

z=-6/2

z=-3

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