7x+21x-4=7(4x+3)

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Solution for 7x+21x-4=7(4x+3) equation: 



7x+21x-4=7(4x+3)

We move all terms to the left:

7x+21x-4-(7(4x+3))=0

We add all the numbers together, and all the variables

28x-(7(4x+3))-4=0



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

7(4x+3)

We multiply parentheses

28x+21

Back to the equation:

-(28x+21)



We get rid of parentheses

28x-28x-21-4=0

We add all the numbers together, and all the variables

-25!=0

There is no solution for this equation

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