-a+(-3a)+15+5a+9b-1=

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Solution for -a+(-3a)+15+5a+9b-1= equation:


Simplifying
-1a + (-3a) + 15 + 5a + 9b + -1 = 0

Reorder the terms:
15 + -1 + -1a + (-3a) + 5a + 9b = 0

Combine like terms: 15 + -1 = 14
14 + -1a + (-3a) + 5a + 9b = 0

Combine like terms: -1a + (-3a) = -4a
14 + -4a + 5a + 9b = 0

Combine like terms: -4a + 5a = 1a
14 + 1a + 9b = 0

Solving
14 + 1a + 9b = 0

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + 1a + -14 + 9b = 0 + -14

Reorder the terms:
14 + -14 + 1a + 9b = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 1a + 9b = 0 + -14
1a + 9b = 0 + -14

Combine like terms: 0 + -14 = -14
1a + 9b = -14

Add '-9b' to each side of the equation.
1a + 9b + -9b = -14 + -9b

Combine like terms: 9b + -9b = 0
1a + 0 = -14 + -9b
1a = -14 + -9b

Divide each side by '1'.
a = -14 + -9b

Simplifying
a = -14 + -9b

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