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5(7-x)=7
We move all terms to the left:
5(7-x)-(7)=0
We add all the numbers together, and all the variables
5(-1x+7)-7=0
We multiply parentheses
-5x+35-7=0
We add all the numbers together, and all the variables
-5x+28=0
We move all terms containing x to the left, all other terms to the right
-5x=-28
x=-28/-5
x=5+3/5
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