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-13.8=-1.3+x/5
We move all terms to the left:
-13.8-(-1.3+x/5)=0
We add all the numbers together, and all the variables
-(x/5-1.3)-13.8=0
We get rid of parentheses
-x/5+1.3-13.8=0
We multiply all the terms by the denominator
-x+(1.3)*5-(13.8)*5=0
We add all the numbers together, and all the variables
-1x-62.5=0
We move all terms containing x to the left, all other terms to the right
-x=62.5
x=62.5/-1
x=-62+0.5/1
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