a-15=-19

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Solution for a-15=-19 equation: 


Simplifying
a + -15 = -19

Reorder the terms:
-15 + a = -19

Solving
-15 + a = -19

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 + a = -19 + 15

Combine like terms: -15 + 15 = 0
0 + a = -19 + 15
a = -19 + 15

Combine like terms: -19 + 15 = -4
a = -4

Simplifying
a = -4

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