7z+5=9z-3.

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Solution for 7z+5=9z-3. equation: 



7z+5=9z-3.

We move all terms to the left:

7z+5-(9z-3.)=0

We add all the numbers together, and all the variables

7z-(9z-3)+5=0

We get rid of parentheses

7z-9z+3+5=0

We add all the numbers together, and all the variables

-2z+8=0

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

-2z=-8

z=-8/-2

z=+4

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