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-4.3=21.3+x/2
We move all terms to the left:
-4.3-(21.3+x/2)=0
We add all the numbers together, and all the variables
-(x/2+21.3)-4.3=0
We get rid of parentheses
-x/2-21.3-4.3=0
We multiply all the terms by the denominator
-x-(21.3)*2-(4.3)*2=0
We add all the numbers together, and all the variables
-1x-51.2=0
We move all terms containing x to the left, all other terms to the right
-x=51.2
x=51.2/-1
x=-51+0.2/1
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