3x/7=20/7-x

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Solution for 3x/7=20/7-x equation: 



3x/7=20/7-x

We move all terms to the left:

3x/7-(20/7-x)=0



Domain of the equation: 7-x)!=0

We move all terms containing x to the left, all other terms to the right

-x)!=-7

x!=-7/1

x!=-7

x∈R



We add all the numbers together, and all the variables

3x/7-(-1x+20/7)=0

We get rid of parentheses

3x/7+1x-20/7=0

We multiply all the terms by the denominator


3x+1x*7-20=0

Wy multiply elements

3x+7x-20=0

We add all the numbers together, and all the variables

10x-20=0

We move all terms containing x to the left, all other terms to the right

10x=20

x=20/10

x=2

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