3z+4=4z-4

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Solution for 3z+4=4z-4 equation: 



3z+4=4z-4

We move all terms to the left:

3z+4-(4z-4)=0

We get rid of parentheses

3z-4z+4+4=0

We add all the numbers together, and all the variables

-1z+8=0

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

-z=-8

z=-8/-1

z=+8

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