7-n+16=20

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Solution for 7-n+16=20 equation:


Simplifying
7 + -1n + 16 = 20

Reorder the terms:
7 + 16 + -1n = 20

Combine like terms: 7 + 16 = 23
23 + -1n = 20

Solving
23 + -1n = 20

Solving for variable 'n'.

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

Add '-23' to each side of the equation.
23 + -23 + -1n = 20 + -23

Combine like terms: 23 + -23 = 0
0 + -1n = 20 + -23
-1n = 20 + -23

Combine like terms: 20 + -23 = -3
-1n = -3

Divide each side by '-1'.
n = 3

Simplifying
n = 3

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