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157.8=x*0.3
We move all terms to the left:
157.8-(x*0.3)=0
We add all the numbers together, and all the variables
-(+x*0.3)+157.8=0
We get rid of parentheses
-x*0.3+157.8=0
Wy multiply elements
-0.3x+157.8=0
We move all terms containing x to the left, all other terms to the right
-0.3x=-157.8
x=-157.8/-0.3
x=526+2.84217094304E-14/0.3
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