20n-9-n-9n=8

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


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

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

Combine like terms: 20n + -1n = 19n
-9 + 19n + -9n = 8

Combine like terms: 19n + -9n = 10n
-9 + 10n = 8

Solving
-9 + 10n = 8

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + 10n = 8 + 9

Combine like terms: -9 + 9 = 0
0 + 10n = 8 + 9
10n = 8 + 9

Combine like terms: 8 + 9 = 17
10n = 17

Divide each side by '10'.
n = 1.7

Simplifying
n = 1.7

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