2(7n+10)+9=5n-10-4n

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Solution for 2(7n+10)+9=5n-10-4n equation: 



2(7n+10)+9=5n-10-4n

We move all terms to the left:

2(7n+10)+9-(5n-10-4n)=0

We add all the numbers together, and all the variables

2(7n+10)-(n-10)+9=0

We multiply parentheses

14n-(n-10)+20+9=0

We get rid of parentheses

14n-n+10+20+9=0

We add all the numbers together, and all the variables

13n+39=0

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

13n=-39

n=-39/13

n=-3

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