5x+21+10x=3(5x+7)

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Solution for 5x+21+10x=3(5x+7) equation: 



5x+21+10x=3(5x+7)

We move all terms to the left:

5x+21+10x-(3(5x+7))=0

We add all the numbers together, and all the variables

15x-(3(5x+7))+21=0



We calculate terms in parentheses: -(3(5x+7)), so:

3(5x+7)

We multiply parentheses

15x+21

Back to the equation:

-(15x+21)



We get rid of parentheses

15x-15x-21+21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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