7n-7(n+3)=-25

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Solution for 7n-7(n+3)=-25 equation: 



7n-7(n+3)=-25

We move all terms to the left:

7n-7(n+3)-(-25)=0

We add all the numbers together, and all the variables

7n-7(n+3)+25=0

We multiply parentheses

7n-7n-21+25=0

We add all the numbers together, and all the variables

4!=0

There is no solution for this equation

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