-123=10z+7

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Solution for -123=10z+7 equation: 



-123=10z+7

We move all terms to the left:

-123-(10z+7)=0

We get rid of parentheses

-10z-7-123=0

We add all the numbers together, and all the variables

-10z-130=0

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

-10z=130

z=130/-10

z=-13

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