5a+6-a-15=a

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Solution for 5a+6-a-15=a equation:


Simplifying
5a + 6 + -1a + -15 = a

Reorder the terms:
6 + -15 + 5a + -1a = a

Combine like terms: 6 + -15 = -9
-9 + 5a + -1a = a

Combine like terms: 5a + -1a = 4a
-9 + 4a = a

Solving
-9 + 4a = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-9 + 4a + -1a = a + -1a

Combine like terms: 4a + -1a = 3a
-9 + 3a = a + -1a

Combine like terms: a + -1a = 0
-9 + 3a = 0

Add '9' to each side of the equation.
-9 + 9 + 3a = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 3a = 0 + 9
3a = 0 + 9

Combine like terms: 0 + 9 = 9
3a = 9

Divide each side by '3'.
a = 3

Simplifying
a = 3

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