70=9(12+z)-11

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Solution for 70=9(12+z)-11 equation: 



70=9(12+z)-11

We move all terms to the left:

70-(9(12+z)-11)=0

We add all the numbers together, and all the variables

-(9(z+12)-11)+70=0



We calculate terms in parentheses: -(9(z+12)-11), so:

9(z+12)-11

We multiply parentheses

9z+108-11

We add all the numbers together, and all the variables

9z+97

Back to the equation:

-(9z+97)



We get rid of parentheses

-9z-97+70=0

We add all the numbers together, and all the variables

-9z-27=0

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

-9z=27

z=27/-9

z=-3

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