2=20-2z

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Solution for 2=20-2z equation:



2=20-2z
We move all terms to the left:
2-(20-2z)=0
We add all the numbers together, and all the variables
-(-2z+20)+2=0
We get rid of parentheses
2z-20+2=0
We add all the numbers together, and all the variables
2z-18=0
We move all terms containing z to the left, all other terms to the right
2z=18
z=18/2
z=9

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