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6.5=3+x
We move all terms to the left:
6.5-(3+x)=0
We add all the numbers together, and all the variables
-(x+3)+6.5=0
We get rid of parentheses
-x-3+6.5=0
We add all the numbers together, and all the variables
-1x+3.5=0
We move all terms containing x to the left, all other terms to the right
-x=-3.5
x=-3.5/-1
x=3+0.5/1
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