3a+9b-2a=

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Solution for 3a+9b-2a= equation: 


Simplifying
3a + 9b + -2a = 0

Reorder the terms:
3a + -2a + 9b = 0

Combine like terms: 3a + -2a = 1a
1a + 9b = 0

Solving
1a + 9b = 0

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.
1a + 9b + -9b = 0 + -9b

Combine like terms: 9b + -9b = 0
1a + 0 = 0 + -9b
1a = 0 + -9b
Remove the zero:
1a = -9b

Divide each side by '1'.
a = -9b

Simplifying
a = -9b

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