5z-4-2z=-7

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



5z-4-2z=-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

3z+3=0

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

3z=-3

z=-3/3

z=-1

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