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-5.3=1.1+u/4
We move all terms to the left:
-5.3-(1.1+u/4)=0
We add all the numbers together, and all the variables
-(u/4+1.1)-5.3=0
We get rid of parentheses
-u/4-1.1-5.3=0
We multiply all the terms by the denominator
-u-(1.1)*4-(5.3)*4=0
We add all the numbers together, and all the variables
-1u-25.6=0
We move all terms containing u to the left, all other terms to the right
-u=25.6
u=25.6/-1
u=-25+0.6/1
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