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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

12x-(3(4x+5))-7=0



We calculate terms in parentheses: -(3(4x+5)), so:

3(4x+5)

We multiply parentheses

12x+15

Back to the equation:

-(12x+15)



We get rid of parentheses

12x-12x-15-7=0

We add all the numbers together, and all the variables

-22!=0

There is no solution for this equation

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