12.4=x+1.37*(10-x)

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Solution for 12.4=x+1.37*(10-x) equation:



12.4=x+1.37(10-x)
We move all terms to the left:
12.4-(x+1.37(10-x))=0
We add all the numbers together, and all the variables
-(x+1.37(-1x+10))+12.4=0
We calculate terms in parentheses: -(x+1.37(-1x+10)), so:
x+1.37(-1x+10)
We multiply parentheses
x-1.37x+13.7
We add all the numbers together, and all the variables
-0.37x+13.7
Back to the equation:
-(-0.37x+13.7)
We get rid of parentheses
0.37x-13.7+12.4=0
We add all the numbers together, and all the variables
0.37x-1.3=0
We move all terms containing x to the left, all other terms to the right
0.37x=1.3
x=1.3/0.37
x=3+0.19/0.37

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