7x+4x=3-x

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Solution for 7x+4x=3-x equation: 



7x+4x=3-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

11x-(-1x+3)=0

We get rid of parentheses

11x+1x-3=0

We add all the numbers together, and all the variables

12x-3=0

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

12x=3

x=3/12

x=1/4

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