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12.25/2.5=x
We move all terms to the left:
12.25/2.5-(x)=0
We add all the numbers together, and all the variables
-1x+12.25/2.5=0
We multiply all the terms by the denominator
-1x*2.5+12.25=0
Wy multiply elements
-2.5x+12.25=0
We move all terms containing x to the left, all other terms to the right
-2.5x=-12.25
x=-12.25/-2.5
x=4+1/1.1111111111111
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