(3n+(-9))-(5n+(-8))=

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Solution for (3n+(-9))-(5n+(-8))= equation:


Simplifying
(3n + (-9)) + -1(5n + (-8)) = 0
(3n + -9) + -1(5n + (-8)) = 0

Reorder the terms:
(-9 + 3n) + -1(5n + (-8)) = 0

Remove parenthesis around (-9 + 3n)
-9 + 3n + -1(5n + (-8)) = 0
-9 + 3n + -1(5n + -8) = 0

Reorder the terms:
-9 + 3n + -1(-8 + 5n) = 0
-9 + 3n + (-8 * -1 + 5n * -1) = 0
-9 + 3n + (8 + -5n) = 0

Reorder the terms:
-9 + 8 + 3n + -5n = 0

Combine like terms: -9 + 8 = -1
-1 + 3n + -5n = 0

Combine like terms: 3n + -5n = -2n
-1 + -2n = 0

Solving
-1 + -2n = 0

Solving for variable 'n'.

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

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

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

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

Divide each side by '-2'.
n = -0.5

Simplifying
n = -0.5

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