3x+3-x=3+x-7

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Solution for 3x+3-x=3+x-7 equation: 



3x+3-x=3+x-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

2x-(x-4)+3=0

We get rid of parentheses

2x-x+4+3=0

We add all the numbers together, and all the variables

x+7=0

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

x=-7

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