3a-9+b=

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Solution for 3a-9+b= equation:


Simplifying
3a + -9 + b = 0

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

Solving
-9 + 3a + b = 0

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 3a + 9 + b = 0 + 9

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

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

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

Add '-1b' to each side of the equation.
3a + b + -1b = 9 + -1b

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

Divide each side by '3'.
a = 3 + -0.3333333333b

Simplifying
a = 3 + -0.3333333333b

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