10n-10(n+9)=-3(4-5n)-3

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Solution for 10n-10(n+9)=-3(4-5n)-3 equation: 



10n-10(n+9)=-3(4-5n)-3

We move all terms to the left:

10n-10(n+9)-(-3(4-5n)-3)=0

We add all the numbers together, and all the variables

10n-10(n+9)-(-3(-5n+4)-3)=0

We multiply parentheses

10n-10n-(-3(-5n+4)-3)-90=0



We calculate terms in parentheses: -(-3(-5n+4)-3), so:

-3(-5n+4)-3

We multiply parentheses

15n-12-3

We add all the numbers together, and all the variables

15n-15

Back to the equation:

-(15n-15)



We add all the numbers together, and all the variables

-(15n-15)-90=0

We get rid of parentheses

-15n+15-90=0

We add all the numbers together, and all the variables

-15n-75=0

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

-15n=75

n=75/-15

n=-5

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