(-4n+7)+(5n-9)=

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Solution for (-4n+7)+(5n-9)= equation:


Simplifying
(-4n + 7) + (5n + -9) = 0

Reorder the terms:
(7 + -4n) + (5n + -9) = 0

Remove parenthesis around (7 + -4n)
7 + -4n + (5n + -9) = 0

Reorder the terms:
7 + -4n + (-9 + 5n) = 0

Remove parenthesis around (-9 + 5n)
7 + -4n + -9 + 5n = 0

Reorder the terms:
7 + -9 + -4n + 5n = 0

Combine like terms: 7 + -9 = -2
-2 + -4n + 5n = 0

Combine like terms: -4n + 5n = 1n
-2 + 1n = 0

Solving
-2 + 1n = 0

Solving for variable 'n'.

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

Add '2' to each side of the equation.
-2 + 2 + 1n = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 1n = 0 + 2
1n = 0 + 2

Combine like terms: 0 + 2 = 2
1n = 2

Divide each side by '1'.
n = 2

Simplifying
n = 2

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