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0.45=x/345
We move all terms to the left:
0.45-(x/345)=0
We add all the numbers together, and all the variables
-(+x/345)+0.45=0
We get rid of parentheses
-x/345+0.45=0
We multiply all the terms by the denominator
-x+(0.45)*345=0
We add all the numbers together, and all the variables
-1x+155.25=0
We move all terms containing x to the left, all other terms to the right
-x=-155.25
x=-155.25/-1
x=155+0.25/1
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