15=-6a+3a

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Solution for 15=-6a+3a equation:


Simplifying
15 = -6a + 3a

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

Solving
15 = -3a

Solving for variable 'a'.

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

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

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

Add '-15' to each side of the equation.
15 + -15 + 3a = 0 + -15

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

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

Divide each side by '3'.
a = -5

Simplifying
a = -5

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