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

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Solution for 2(-x+3x)+(-x)+7=(-x)+(-3) equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

2(+2x)+(-1x)-((-1x)+(-3))+7=0

We multiply parentheses

4x+(-1x)-((-1x)+(-3))+7=0

We get rid of parentheses

4x-1x-((-1x)+(-3))+7=0



We calculate terms in parentheses: -((-1x)+(-3)), so:

(-1x)+(-3)

We add all the numbers together, and all the variables

(-1x)-3

We get rid of parentheses

-1x-3

Back to the equation:

-(-1x-3)



We add all the numbers together, and all the variables

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

We get rid of parentheses

3x+1x+3+7=0

We add all the numbers together, and all the variables

4x+10=0

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

4x=-10

x=-10/4

x=-2+1/2

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