7=5-2z

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Solution for 7=5-2z equation:



7=5-2z
We move all terms to the left:
7-(5-2z)=0
We add all the numbers together, and all the variables
-(-2z+5)+7=0
We get rid of parentheses
2z-5+7=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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