7(3+5x)=3(7+9x)

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Solution for 7(3+5x)=3(7+9x) equation: 



7(3+5x)=3(7+9x)

We move all terms to the left:

7(3+5x)-(3(7+9x))=0

We add all the numbers together, and all the variables

7(5x+3)-(3(9x+7))=0

We multiply parentheses

35x-(3(9x+7))+21=0



We calculate terms in parentheses: -(3(9x+7)), so:

3(9x+7)

We multiply parentheses

27x+21

Back to the equation:

-(27x+21)



We get rid of parentheses

35x-27x-21+21=0

We add all the numbers together, and all the variables

8x=0

x=0/8

x=0

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