a-(6-2a)=-15

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Solution for a-(6-2a)=-15 equation:


Simplifying
a + -1(6 + -2a) = -15
a + (6 * -1 + -2a * -1) = -15
a + (-6 + 2a) = -15

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

Combine like terms: a + 2a = 3a
-6 + 3a = -15

Solving
-6 + 3a = -15

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 3a = -15 + 6

Combine like terms: -6 + 6 = 0
0 + 3a = -15 + 6
3a = -15 + 6

Combine like terms: -15 + 6 = -9
3a = -9

Divide each side by '3'.
a = -3

Simplifying
a = -3

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