4(z+7)=9z-2

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Solution for 4(z+7)=9z-2 equation: 



4(z+7)=9z-2

We move all terms to the left:

4(z+7)-(9z-2)=0

We multiply parentheses

4z-(9z-2)+28=0

We get rid of parentheses

4z-9z+2+28=0

We add all the numbers together, and all the variables

-5z+30=0

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

-5z=-30

z=-30/-5

z=+6

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