-(28-n)=-9

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Solution for -(28-n)=-9 equation: 


Simplifying
-1(28 + -1n) = -9
(28 * -1 + -1n * -1) = -9
(-28 + 1n) = -9

Solving
-28 + 1n = -9

Solving for variable 'n'.

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

Add '28' to each side of the equation.
-28 + 28 + 1n = -9 + 28

Combine like terms: -28 + 28 = 0
0 + 1n = -9 + 28
1n = -9 + 28

Combine like terms: -9 + 28 = 19
1n = 19

Divide each side by '1'.
n = 19

Simplifying
n = 19

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