Solve for n, o, p
p=40
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8n+9+n=0
Consider the first equation. Add n to both sides.
9n+9=0
Combine 8n and n to get 9n.
9n=-9
Subtract 9 from both sides. Anything subtracted from zero gives its negation.
n=\frac{-9}{9}
Divide both sides by 9.
n=-1
Divide -9 by 9 to get -1.
n=-1 o=40 p=40
The system is now solved.
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