-2=a-15

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Solution for -2=a-15 equation:


Simplifying
-2 = a + -15

Reorder the terms:
-2 = -15 + a

Solving
-2 = -15 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-2 + -1a = -15 + a + -1a

Combine like terms: a + -1a = 0
-2 + -1a = -15 + 0
-2 + -1a = -15

Add '2' to each side of the equation.
-2 + 2 + -1a = -15 + 2

Combine like terms: -2 + 2 = 0
0 + -1a = -15 + 2
-1a = -15 + 2

Combine like terms: -15 + 2 = -13
-1a = -13

Divide each side by '-1'.
a = 13

Simplifying
a = 13

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