a-6=2a+15

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


Simplifying
a + -6 = 2a + 15

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

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

Solving
-6 + a = 15 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-6 + a + -2a = 15 + 2a + -2a

Combine like terms: a + -2a = -1a
-6 + -1a = 15 + 2a + -2a

Combine like terms: 2a + -2a = 0
-6 + -1a = 15 + 0
-6 + -1a = 15

Add '6' to each side of the equation.
-6 + 6 + -1a = 15 + 6

Combine like terms: -6 + 6 = 0
0 + -1a = 15 + 6
-1a = 15 + 6

Combine like terms: 15 + 6 = 21
-1a = 21

Divide each side by '-1'.
a = -21

Simplifying
a = -21

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