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19(x)=31(3-x)
We move all terms to the left:
19(x)-(31(3-x))=0
We add all the numbers together, and all the variables
19x-(31(-1x+3))=0
We calculate terms in parentheses: -(31(-1x+3)), so:We get rid of parentheses
31(-1x+3)
We multiply parentheses
-31x+93
Back to the equation:
-(-31x+93)
19x+31x-93=0
We add all the numbers together, and all the variables
50x-93=0
We move all terms containing x to the left, all other terms to the right
50x=93
x=93/50
x=1+43/50
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