10=10(-4z-7)

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Solution for 10=10(-4z-7) equation: 



10=10(-4z-7)

We move all terms to the left:

10-(10(-4z-7))=0



We calculate terms in parentheses: -(10(-4z-7)), so:

10(-4z-7)

We multiply parentheses

-40z-70

Back to the equation:

-(-40z-70)



We get rid of parentheses

40z+70+10=0

We add all the numbers together, and all the variables

40z+80=0

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

40z=-80

z=-80/40

z=-2

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