10+10n=3n+9n-10

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Solution for 10+10n=3n+9n-10 equation:



10+10n=3n+9n-10
We move all terms to the left:
10+10n-(3n+9n-10)=0
We add all the numbers together, and all the variables
10n-(12n-10)+10=0
We get rid of parentheses
10n-12n+10+10=0
We add all the numbers together, and all the variables
-2n+20=0
We move all terms containing n to the left, all other terms to the right
-2n=-20
n=-20/-2
n=+10

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