a-6+4=13

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Solution for a-6+4=13 equation: 


Simplifying
a + -6 + 4 = 13

Reorder the terms:
-6 + 4 + a = 13

Combine like terms: -6 + 4 = -2
-2 + a = 13

Solving
-2 + a = 13

Solving for variable 'a'.

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

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

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

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

Simplifying
a = 15

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