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51.20=120-r128
We move all terms to the left:
51.20-(120-r128)=0
We add all the numbers together, and all the variables
-(-1r^128+120)+51.20=0
We add all the numbers together, and all the variables
-(-1r^128+120)+51.2=0
We get rid of parentheses
1r^128-120+51.2=0
We do not support erpression: r^128
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