9a+3b=-15

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Solution for 9a+3b=-15 equation: 


Simplifying
9a + 3b = -15

Solving
9a + 3b = -15

Solving for variable 'a'.

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

Add '-3b' to each side of the equation.
9a + 3b + -3b = -15 + -3b

Combine like terms: 3b + -3b = 0
9a + 0 = -15 + -3b
9a = -15 + -3b

Divide each side by '9'.
a = -1.666666667 + -0.3333333333b

Simplifying
a = -1.666666667 + -0.3333333333b

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