-40+-40=-40-n

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Solution for -40+-40=-40-n equation:


Simplifying
-40 + -40 = -40 + -1n

Combine like terms: -40 + -40 = -80
-80 = -40 + -1n

Solving
-80 = -40 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-80 + n = -40 + -1n + n

Combine like terms: -1n + n = 0
-80 + n = -40 + 0
-80 + n = -40

Add '80' to each side of the equation.
-80 + 80 + n = -40 + 80

Combine like terms: -80 + 80 = 0
0 + n = -40 + 80
n = -40 + 80

Combine like terms: -40 + 80 = 40
n = 40

Simplifying
n = 40

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