a+3b-4a+9-b=

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Solution for a+3b-4a+9-b= equation:


Simplifying
a + 3b + -4a + 9 + -1b = 0

Reorder the terms:
9 + a + -4a + 3b + -1b = 0

Combine like terms: a + -4a = -3a
9 + -3a + 3b + -1b = 0

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

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

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

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

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

Add '-2b' to each side of the equation.
-3a + 2b + -2b = -9 + -2b

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

Divide each side by '-3'.
a = 3 + 0.6666666667b

Simplifying
a = 3 + 0.6666666667b

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