70=-7(-2+-2z)

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Solution for 70=-7(-2+-2z) equation: 



70=-7(-2+-2z)

We move all terms to the left:

70-(-7(-2+-2z))=0

We add all the numbers together, and all the variables

-(-7(-2z))+70=0



We calculate terms in parentheses: -(-7(-2z)), so:

-7(-2z)

We multiply parentheses

14z

Back to the equation:

-(14z)



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

-14z=-70

z=-70/-14

z=+5

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