3a+6b=-15

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


Simplifying
3a + 6b = -15

Solving
3a + 6b = -15

Solving for variable 'a'.

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

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

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

Divide each side by '3'.
a = -5 + -2b

Simplifying
a = -5 + -2b

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