(-9n-9)+(8n+8)=

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Solution for (-9n-9)+(8n+8)= equation:


Simplifying
(-9n + -9) + (8n + 8) = 0

Reorder the terms:
(-9 + -9n) + (8n + 8) = 0

Remove parenthesis around (-9 + -9n)
-9 + -9n + (8n + 8) = 0

Reorder the terms:
-9 + -9n + (8 + 8n) = 0

Remove parenthesis around (8 + 8n)
-9 + -9n + 8 + 8n = 0

Reorder the terms:
-9 + 8 + -9n + 8n = 0

Combine like terms: -9 + 8 = -1
-1 + -9n + 8n = 0

Combine like terms: -9n + 8n = -1n
-1 + -1n = 0

Solving
-1 + -1n = 0

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + -1n = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -1n = 0 + 1
-1n = 0 + 1

Combine like terms: 0 + 1 = 1
-1n = 1

Divide each side by '-1'.
n = -1

Simplifying
n = -1

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