-1-9n=-8n-20

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Solution for -1-9n=-8n-20 equation:


Simplifying
-1 + -9n = -8n + -20

Reorder the terms:
-1 + -9n = -20 + -8n

Solving
-1 + -9n = -20 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
-1 + -9n + 8n = -20 + -8n + 8n

Combine like terms: -9n + 8n = -1n
-1 + -1n = -20 + -8n + 8n

Combine like terms: -8n + 8n = 0
-1 + -1n = -20 + 0
-1 + -1n = -20

Add '1' to each side of the equation.
-1 + 1 + -1n = -20 + 1

Combine like terms: -1 + 1 = 0
0 + -1n = -20 + 1
-1n = -20 + 1

Combine like terms: -20 + 1 = -19
-1n = -19

Divide each side by '-1'.
n = 19

Simplifying
n = 19

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