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15-23x=11.55
We move all terms to the left:
15-23x-(11.55)=0
We add all the numbers together, and all the variables
-23x+3.45=0
We move all terms containing x to the left, all other terms to the right
-23x=-3.45
x=-3.45/-23
x=2.3793103448276/15.862068965517
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