-13a-2a=15

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Solution for -13a-2a=15 equation: 


Simplifying
-13a + -2a = 15

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

Solving
-15a = 15

Solving for variable 'a'.

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

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

Simplifying
a = -1

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