12a+20b+3c+4c-3b-3a=

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Solution for 12a+20b+3c+4c-3b-3a= equation:


Simplifying
12a + 20b + 3c + 4c + -3b + -3a = 0

Reorder the terms:
12a + -3a + 20b + -3b + 3c + 4c = 0

Combine like terms: 12a + -3a = 9a
9a + 20b + -3b + 3c + 4c = 0

Combine like terms: 20b + -3b = 17b
9a + 17b + 3c + 4c = 0

Combine like terms: 3c + 4c = 7c
9a + 17b + 7c = 0

Solving
9a + 17b + 7c = 0

Solving for variable 'a'.

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

Add '-17b' to each side of the equation.
9a + 17b + -17b + 7c = 0 + -17b

Combine like terms: 17b + -17b = 0
9a + 0 + 7c = 0 + -17b
9a + 7c = 0 + -17b
Remove the zero:
9a + 7c = -17b

Add '-7c' to each side of the equation.
9a + 7c + -7c = -17b + -7c

Combine like terms: 7c + -7c = 0
9a + 0 = -17b + -7c
9a = -17b + -7c

Divide each side by '9'.
a = -1.888888889b + -0.7777777778c

Simplifying
a = -1.888888889b + -0.7777777778c

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