3(4x-x)+x=20

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Solution for 3(4x-x)+x=20 equation: 



3(4x-x)+x=20

We move all terms to the left:

3(4x-x)+x-(20)=0

We add all the numbers together, and all the variables

3(+3x)+x-20=0

We add all the numbers together, and all the variables

x+3(+3x)-20=0

We multiply parentheses

x+9x-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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