7(2n+3)=7(5n+9)+3

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Solution for 7(2n+3)=7(5n+9)+3 equation: 



7(2n+3)=7(5n+9)+3

We move all terms to the left:

7(2n+3)-(7(5n+9)+3)=0

We multiply parentheses

14n-(7(5n+9)+3)+21=0



We calculate terms in parentheses: -(7(5n+9)+3), so:

7(5n+9)+3

We multiply parentheses

35n+63+3

We add all the numbers together, and all the variables

35n+66

Back to the equation:

-(35n+66)



We get rid of parentheses

14n-35n-66+21=0

We add all the numbers together, and all the variables

-21n-45=0

We move all terms containing n to the left, all other terms to the right

-21n=45

n=45/-21

n=-2+1/7

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