6z-9z=-z-7=4z

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Solution for 6z-9z=-z-7=4z equation: 



6z-9z=-z-7=4z

We move all terms to the left:

6z-9z-(-z-7)=0

We add all the numbers together, and all the variables

6z-9z-(-1z-7)=0

We add all the numbers together, and all the variables

-3z-(-1z-7)=0

We get rid of parentheses

-3z+1z+7=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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