a+5+8=15

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Solution for a+5+8=15 equation: 


Simplifying
a + 5 + 8 = 15

Reorder the terms:
5 + 8 + a = 15

Combine like terms: 5 + 8 = 13
13 + a = 15

Solving
13 + a = 15

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + a = 15 + -13

Combine like terms: 13 + -13 = 0
0 + a = 15 + -13
a = 15 + -13

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

Simplifying
a = 2

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