3x(x-5)-3x(7+x)=x

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Solution for 3x(x-5)-3x(7+x)=x equation: 



3x(x-5)-3x(7+x)=x

We move all terms to the left:

3x(x-5)-3x(7+x)-(x)=0

We add all the numbers together, and all the variables

3x(x-5)-3x(x+7)-x=0

We add all the numbers together, and all the variables

-1x+3x(x-5)-3x(x+7)=0

We multiply parentheses

3x^2-3x^2-1x-15x-21x=0

We add all the numbers together, and all the variables

-37x=0

x=0/-37

x=0

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