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2.50=3x+13
We move all terms to the left:
2.50-(3x+13)=0
We add all the numbers together, and all the variables
-(3x+13)+2.5=0
We get rid of parentheses
-3x-13+2.5=0
We add all the numbers together, and all the variables
-3x-10.5=0
We move all terms containing x to the left, all other terms to the right
-3x=10.5
x=10.5/-3
x=-3+1/2
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