-(a-15)=

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Solution for -(a-15)= equation:


Simplifying
-1(a + -15) = 0

Reorder the terms:
-1(-15 + a) = 0
(-15 * -1 + a * -1) = 0
(15 + -1a) = 0

Solving
15 + -1a = 0

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -1a = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1a = 0 + -15
-1a = 0 + -15

Combine like terms: 0 + -15 = -15
-1a = -15

Divide each side by '-1'.
a = 15

Simplifying
a = 15

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