5(9n+18)=4(-20-10n)

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Solution for 5(9n+18)=4(-20-10n) equation: 



5(9n+18)=4(-20-10n)

We move all terms to the left:

5(9n+18)-(4(-20-10n))=0

We add all the numbers together, and all the variables

5(9n+18)-(4(-10n-20))=0

We multiply parentheses

45n-(4(-10n-20))+90=0



We calculate terms in parentheses: -(4(-10n-20)), so:

4(-10n-20)

We multiply parentheses

-40n-80

Back to the equation:

-(-40n-80)



We get rid of parentheses

45n+40n+80+90=0

We add all the numbers together, and all the variables

85n+170=0

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

85n=-170

n=-170/85

n=-2

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