(-9n+(-2))-(-2n+5)=

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Solution for (-9n+(-2))-(-2n+5)= equation:


Simplifying
(-9n + (-2)) + -1(-2n + 5) = 0
(-9n + -2) + -1(-2n + 5) = 0

Reorder the terms:
(-2 + -9n) + -1(-2n + 5) = 0

Remove parenthesis around (-2 + -9n)
-2 + -9n + -1(-2n + 5) = 0

Reorder the terms:
-2 + -9n + -1(5 + -2n) = 0
-2 + -9n + (5 * -1 + -2n * -1) = 0
-2 + -9n + (-5 + 2n) = 0

Reorder the terms:
-2 + -5 + -9n + 2n = 0

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

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

Solving
-7 + -7n = 0

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + -7n = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -7n = 0 + 7
-7n = 0 + 7

Combine like terms: 0 + 7 = 7
-7n = 7

Divide each side by '-7'.
n = -1

Simplifying
n = -1

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