2+4z=5z-7

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Solution for 2+4z=5z-7 equation: 



2+4z=5z-7

We move all terms to the left:

2+4z-(5z-7)=0

We get rid of parentheses

4z-5z+7+2=0

We add all the numbers together, and all the variables

-1z+9=0

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

-z=-9

z=-9/-1

z=+9

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