5(2n+8)=-90

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Solution for 5(2n+8)=-90 equation: 



5(2n+8)=-90

We move all terms to the left:

5(2n+8)-(-90)=0

We add all the numbers together, and all the variables

5(2n+8)+90=0

We multiply parentheses

10n+40+90=0

We add all the numbers together, and all the variables

10n+130=0

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

10n=-130

n=-130/10

n=-13

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