-4+5(1+7z)=15

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Solution for -4+5(1+7z)=15 equation: 



-4+5(1+7z)=15

We move all terms to the left:

-4+5(1+7z)-(15)=0

We add all the numbers together, and all the variables

5(7z+1)-4-15=0

We add all the numbers together, and all the variables

5(7z+1)-19=0

We multiply parentheses

35z+5-19=0

We add all the numbers together, and all the variables

35z-14=0

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

35z=14

z=14/35

z=2/5

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