9a+9b+18a+12b=

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Solution for 9a+9b+18a+12b= equation:


Simplifying
9a + 9b + 18a + 12b = 0

Reorder the terms:
9a + 18a + 9b + 12b = 0

Combine like terms: 9a + 18a = 27a
27a + 9b + 12b = 0

Combine like terms: 9b + 12b = 21b
27a + 21b = 0

Solving
27a + 21b = 0

Solving for variable 'a'.

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

Add '-21b' to each side of the equation.
27a + 21b + -21b = 0 + -21b

Combine like terms: 21b + -21b = 0
27a + 0 = 0 + -21b
27a = 0 + -21b
Remove the zero:
27a = -21b

Divide each side by '27'.
a = -0.7777777778b

Simplifying
a = -0.7777777778b

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