-4=-2+2z

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



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

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