40-n+20=43

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Solution for 40-n+20=43 equation:


Simplifying
40 + -1n + 20 = 43

Reorder the terms:
40 + 20 + -1n = 43

Combine like terms: 40 + 20 = 60
60 + -1n = 43

Solving
60 + -1n = 43

Solving for variable 'n'.

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

Add '-60' to each side of the equation.
60 + -60 + -1n = 43 + -60

Combine like terms: 60 + -60 = 0
0 + -1n = 43 + -60
-1n = 43 + -60

Combine like terms: 43 + -60 = -17
-1n = -17

Divide each side by '-1'.
n = 17

Simplifying
n = 17

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