3x-5+x=4+7x

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Solution for 3x-5+x=4+7x equation: 



3x-5+x=4+7x

We move all terms to the left:

3x-5+x-(4+7x)=0

We add all the numbers together, and all the variables

3x+x-(7x+4)-5=0

We add all the numbers together, and all the variables

4x-(7x+4)-5=0

We get rid of parentheses

4x-7x-4-5=0

We add all the numbers together, and all the variables

-3x-9=0

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

-3x=9

x=9/-3

x=-3

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