12a+15b+5c+2c-6a-6b=

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Solution for 12a+15b+5c+2c-6a-6b= equation:


Simplifying
12a + 15b + 5c + 2c + -6a + -6b = 0

Reorder the terms:
12a + -6a + 15b + -6b + 5c + 2c = 0

Combine like terms: 12a + -6a = 6a
6a + 15b + -6b + 5c + 2c = 0

Combine like terms: 15b + -6b = 9b
6a + 9b + 5c + 2c = 0

Combine like terms: 5c + 2c = 7c
6a + 9b + 7c = 0

Solving
6a + 9b + 7c = 0

Solving for variable 'a'.

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

Add '-9b' to each side of the equation.
6a + 9b + -9b + 7c = 0 + -9b

Combine like terms: 9b + -9b = 0
6a + 0 + 7c = 0 + -9b
6a + 7c = 0 + -9b
Remove the zero:
6a + 7c = -9b

Add '-7c' to each side of the equation.
6a + 7c + -7c = -9b + -7c

Combine like terms: 7c + -7c = 0
6a + 0 = -9b + -7c
6a = -9b + -7c

Divide each side by '6'.
a = -1.5b + -1.166666667c

Simplifying
a = -1.5b + -1.166666667c

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