-15-a=-17

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Solution for -15-a=-17 equation:


Simplifying
-15 + -1a = -17

Solving
-15 + -1a = -17

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 = -17 + 15

Combine like terms: -15 + 15 = 0
0 + -1a = -17 + 15
-1a = -17 + 15

Combine like terms: -17 + 15 = -2
-1a = -2

Divide each side by '-1'.
a = 2

Simplifying
a = 2

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