3a+6b-4-a+8-9b=

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Solution for 3a+6b-4-a+8-9b= equation:


Simplifying
3a + 6b + -4 + -1a + 8 + -9b = 0

Reorder the terms:
-4 + 8 + 3a + -1a + 6b + -9b = 0

Combine like terms: -4 + 8 = 4
4 + 3a + -1a + 6b + -9b = 0

Combine like terms: 3a + -1a = 2a
4 + 2a + 6b + -9b = 0

Combine like terms: 6b + -9b = -3b
4 + 2a + -3b = 0

Solving
4 + 2a + -3b = 0

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + 2a + -4 + -3b = 0 + -4

Reorder the terms:
4 + -4 + 2a + -3b = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 2a + -3b = 0 + -4
2a + -3b = 0 + -4

Combine like terms: 0 + -4 = -4
2a + -3b = -4

Add '3b' to each side of the equation.
2a + -3b + 3b = -4 + 3b

Combine like terms: -3b + 3b = 0
2a + 0 = -4 + 3b
2a = -4 + 3b

Divide each side by '2'.
a = -2 + 1.5b

Simplifying
a = -2 + 1.5b

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