5z-2z=-7

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



5z-2z=-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

3z+7=0

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

3z=-7

z=-7/3

z=-2+1/3

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