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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(5n-5(n+2)-7), so:

5n-5(n+2)-7

We multiply parentheses

5n-5n-10-7

We add all the numbers together, and all the variables

-17

Back to the equation:

-(-17)



We add all the numbers together, and all the variables

20!=0

There is no solution for this equation

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