3a+ac+9c-7b-7a-15c=

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Solution for 3a+ac+9c-7b-7a-15c= equation:


Simplifying
3a + ac + 9c + -7b + -7a + -15c = 0

Reorder the terms:
3a + -7a + ac + -7b + 9c + -15c = 0

Combine like terms: 3a + -7a = -4a
-4a + ac + -7b + 9c + -15c = 0

Combine like terms: 9c + -15c = -6c
-4a + ac + -7b + -6c = 0

Solving
-4a + ac + -7b + -6c = 0

Solving for variable 'a'.

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

Add '7b' to each side of the equation.
-4a + ac + -7b + 7b + -6c = 0 + 7b

Combine like terms: -7b + 7b = 0
-4a + ac + 0 + -6c = 0 + 7b
-4a + ac + -6c = 0 + 7b
Remove the zero:
-4a + ac + -6c = 7b

Add '6c' to each side of the equation.
-4a + ac + -6c + 6c = 7b + 6c

Combine like terms: -6c + 6c = 0
-4a + ac + 0 = 7b + 6c
-4a + ac = 7b + 6c

Reorder the terms:
-4a + ac + -7b + -6c = 7b + -7b + 6c + -6c

Combine like terms: 7b + -7b = 0
-4a + ac + -7b + -6c = 0 + 6c + -6c
-4a + ac + -7b + -6c = 6c + -6c

Combine like terms: 6c + -6c = 0
-4a + ac + -7b + -6c = 0

The solution to this equation could not be determined.

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