2(z+2)=4(z-2)

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Solution for 2(z+2)=4(z-2) equation:



2(z+2)=4(z-2)
We move all terms to the left:
2(z+2)-(4(z-2))=0
We multiply parentheses
2z-(4(z-2))+4=0
We calculate terms in parentheses: -(4(z-2)), so:
4(z-2)
We multiply parentheses
4z-8
Back to the equation:
-(4z-8)
We get rid of parentheses
2z-4z+8+4=0
We add all the numbers together, and all the variables
-2z+12=0
We move all terms containing z to the left, all other terms to the right
-2z=-12
z=-12/-2
z=+6

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