P+20+(-2N)+N=18

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Solution for P+20+(-2N)+N=18 equation:


Simplifying
P + 20 + (-2N) + N = 18

Reorder the terms:
20 + (-2N) + N + P = 18

Combine like terms: (-2N) + N = -1N
20 + -1N + P = 18

Solving
20 + -1N + P = 18

Solving for variable 'N'.

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

Add '-20' to each side of the equation.
20 + -1N + -20 + P = 18 + -20

Reorder the terms:
20 + -20 + -1N + P = 18 + -20

Combine like terms: 20 + -20 = 0
0 + -1N + P = 18 + -20
-1N + P = 18 + -20

Combine like terms: 18 + -20 = -2
-1N + P = -2

Add '-1P' to each side of the equation.
-1N + P + -1P = -2 + -1P

Combine like terms: P + -1P = 0
-1N + 0 = -2 + -1P
-1N = -2 + -1P

Divide each side by '-1'.
N = 2 + P

Simplifying
N = 2 + P

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