2z+3=z-4

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Solution for 2z+3=z-4 equation: 



2z+3=z-4

We move all terms to the left:

2z+3-(z-4)=0

We get rid of parentheses

2z-z+4+3=0

We add all the numbers together, and all the variables

z+7=0

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

z=-7

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