3+2z-4=-7

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Solution for 3+2z-4=-7 equation: 



3+2z-4=-7

We move all terms to the left:

3+2z-4-(-7)=0

We add all the numbers together, and all the variables

2z+6=0

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

2z=-6

z=-6/2

z=-3

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