2a-6+15=13

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Solution for 2a-6+15=13 equation: 


Simplifying
2a + -6 + 15 = 13

Reorder the terms:
-6 + 15 + 2a = 13

Combine like terms: -6 + 15 = 9
9 + 2a = 13

Solving
9 + 2a = 13

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 2a = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 2a = 13 + -9
2a = 13 + -9

Combine like terms: 13 + -9 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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