9(8-z)=5(7-2z)

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Solution for 9(8-z)=5(7-2z) equation:



9(8-z)=5(7-2z)
We move all terms to the left:
9(8-z)-(5(7-2z))=0
We add all the numbers together, and all the variables
9(-1z+8)-(5(-2z+7))=0
We multiply parentheses
-9z-(5(-2z+7))+72=0
We calculate terms in parentheses: -(5(-2z+7)), so:
5(-2z+7)
We multiply parentheses
-10z+35
Back to the equation:
-(-10z+35)
We get rid of parentheses
-9z+10z-35+72=0
We add all the numbers together, and all the variables
z+37=0
We move all terms containing z to the left, all other terms to the right
z=-37

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