-76-8z=-4z+-7(5z+2)

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Solution for -76-8z=-4z+-7(5z+2) equation: 



-76-8z=-4z+-7(5z+2)

We move all terms to the left:

-76-8z-(-4z+-7(5z+2))=0

We use the square of the difference formula

-8z-(-4z-7(5z+2))-76=0



We calculate terms in parentheses: -(-4z-7(5z+2)), so:

-4z-7(5z+2)

We multiply parentheses

-4z-35z-14

We add all the numbers together, and all the variables

-39z-14

Back to the equation:

-(-39z-14)



We get rid of parentheses

-8z+39z+14-76=0

We add all the numbers together, and all the variables

31z-62=0

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

31z=62

z=62/31

z=2

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