20=20x/12-x

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Solution for 20=20x/12-x equation:



20=20x/12-x
We move all terms to the left:
20-(20x/12-x)=0
Domain of the equation: 12-x)!=0
We move all terms containing x to the left, all other terms to the right
-x)!=-12
x!=-12/1
x!=-12
x∈R
We add all the numbers together, and all the variables
-(-1x+20x/12)+20=0
We get rid of parentheses
1x-20x/12+20=0
We multiply all the terms by the denominator
1x*12-20x+20*12=0
We add all the numbers together, and all the variables
-20x+1x*12+240=0
Wy multiply elements
-20x+12x+240=0
We add all the numbers together, and all the variables
-8x+240=0
We move all terms containing x to the left, all other terms to the right
-8x=-240
x=-240/-8
x=+30

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