12x+3=(7x+4)-(-3x)

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Solution for 12x+3=(7x+4)-(-3x) equation: 



12x+3=(7x+4)-(-3x)

We move all terms to the left:

12x+3-((7x+4)-(-3x))=0



We calculate terms in parentheses: -((7x+4)-(-3x)), so:

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

We get rid of parentheses

7x+3x+4

We add all the numbers together, and all the variables

10x+4

Back to the equation:

-(10x+4)



We get rid of parentheses

12x-10x-4+3=0

We add all the numbers together, and all the variables

2x-1=0

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

2x=1

x=1/2

x=1/2

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