2a+9b=-23

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Solution for 2a+9b=-23 equation: 


Simplifying
2a + 9b = -23

Solving
2a + 9b = -23

Solving for variable 'a'.

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

Add '-9b' to each side of the equation.
2a + 9b + -9b = -23 + -9b

Combine like terms: 9b + -9b = 0
2a + 0 = -23 + -9b
2a = -23 + -9b

Divide each side by '2'.
a = -11.5 + -4.5b

Simplifying
a = -11.5 + -4.5b

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