-z+7=2(z+5)

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Solution for -z+7=2(z+5) equation: 



-z+7=2(z+5)

We move all terms to the left:

-z+7-(2(z+5))=0

We add all the numbers together, and all the variables

-1z-(2(z+5))+7=0



We calculate terms in parentheses: -(2(z+5)), so:

2(z+5)

We multiply parentheses

2z+10

Back to the equation:

-(2z+10)



We get rid of parentheses

-1z-2z-10+7=0

We add all the numbers together, and all the variables

-3z-3=0

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

-3z=3

z=3/-3

z=-1

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