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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

3(4x+7)

We multiply parentheses

12x+21

Back to the equation:

-(12x+21)



We get rid of parentheses

12x-12x-21-7=0

We add all the numbers together, and all the variables

-28!=0

There is no solution for this equation

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