8a+2b-4*3a-b+9=

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Solution for 8a+2b-4*3a-b+9= equation:


Simplifying
8a + 2b + -4 * 3a + -1b + 9 = 0

Multiply -4 * 3
8a + 2b + -12a + -1b + 9 = 0

Reorder the terms:
9 + 8a + -12a + 2b + -1b = 0

Combine like terms: 8a + -12a = -4a
9 + -4a + 2b + -1b = 0

Combine like terms: 2b + -1b = 1b
9 + -4a + 1b = 0

Solving
9 + -4a + 1b = 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 + -4a + -9 + 1b = 0 + -9

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

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

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

Add '-1b' to each side of the equation.
-4a + 1b + -1b = -9 + -1b

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

Divide each side by '-4'.
a = 2.25 + 0.25b

Simplifying
a = 2.25 + 0.25b

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