7-2n=19-5n

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Solution for 7-2n=19-5n equation: 



7-2n=19-5n

We move all terms to the left:

7-2n-(19-5n)=0

We add all the numbers together, and all the variables

-2n-(-5n+19)+7=0

We get rid of parentheses

-2n+5n-19+7=0

We add all the numbers together, and all the variables

3n-12=0

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

3n=12

n=12/3

n=4

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