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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x4+3x-(-1x+20)=0

We add all the numbers together, and all the variables

3x^4+3x-(-1x+20)=0

We get rid of parentheses

3x^4+3x+1x-20=0

We do not support expression: x^4

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