-1+15=-1+-a

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Solution for -1+15=-1+-a equation:


Simplifying
-1 + 15 = -1 + -1a

Combine like terms: -1 + 15 = 14
14 = -1 + -1a

Solving
14 = -1 + -1a

Solving for variable 'a'.

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

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

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

Add '-14' to each side of the equation.
14 + -14 + a = -1 + -14

Combine like terms: 14 + -14 = 0
0 + a = -1 + -14
a = -1 + -14

Combine like terms: -1 + -14 = -15
a = -15

Simplifying
a = -15

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