20n-19n+12=-21

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Solution for 20n-19n+12=-21 equation:


Simplifying
20n + -19n + 12 = -21

Reorder the terms:
12 + 20n + -19n = -21

Combine like terms: 20n + -19n = 1n
12 + 1n = -21

Solving
12 + 1n = -21

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 1n = -21 + -12

Combine like terms: 12 + -12 = 0
0 + 1n = -21 + -12
1n = -21 + -12

Combine like terms: -21 + -12 = -33
1n = -33

Divide each side by '1'.
n = -33

Simplifying
n = -33

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