z+7=3z

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Solution for z+7=3z equation: 



z+7=3z

We move all terms to the left:

z+7-(3z)=0

We add all the numbers together, and all the variables

-2z+7=0

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

-2z=-7

z=-7/-2

z=3+1/2

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