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5(7-z)=-(7-9)
We move all terms to the left:
5(7-z)-(-(7-9))=0
We add all the numbers together, and all the variables
5(-1z+7)-(-(-2))=0
We add all the numbers together, and all the variables
5(-1z+7)-2=0
We multiply parentheses
-5z+35-2=0
We add all the numbers together, and all the variables
-5z+33=0
We move all terms containing z to the left, all other terms to the right
-5z=-33
z=-33/-5
z=6+3/5
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