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12.4=x/2
We move all terms to the left:
12.4-(x/2)=0
We add all the numbers together, and all the variables
-(+x/2)+12.4=0
We get rid of parentheses
-x/2+12.4=0
We multiply all the terms by the denominator
-x+(12.4)*2=0
We add all the numbers together, and all the variables
-1x+24.8=0
We move all terms containing x to the left, all other terms to the right
-x=-24.8
x=-24.8/-1
x=24+0.8/1
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