7z-z=-2+4z-1-3

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Solution for 7z-z=-2+4z-1-3 equation:



7z-z=-2+4z-1-3
We move all terms to the left:
7z-z-(-2+4z-1-3)=0
We add all the numbers together, and all the variables
7z-z-(4z-6)=0
We add all the numbers together, and all the variables
6z-(4z-6)=0
We get rid of parentheses
6z-4z+6=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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