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(7+2x)=3.5
We move all terms to the left:
(7+2x)-(3.5)=0
We add all the numbers together, and all the variables
(2x+7)-(3.5)=0
We add all the numbers together, and all the variables
(2x+7)-3.5=0
We get rid of parentheses
2x+7-3.5=0
We add all the numbers together, and all the variables
2x+3.5=0
We move all terms containing x to the left, all other terms to the right
2x=-3.5
x=-3.5/2
x=-1+1/1.33333333333
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