12a-7b+c-3a-7b-c=

Solution for 12a-7b+c-3a-7b-c= equation:

Simplifying
12a + -7b + c + -3a + -7b + -1c = 0

Reorder the terms:
12a + -3a + -7b + -7b + c + -1c = 0

Combine like terms: 12a + -3a = 9a
9a + -7b + -7b + c + -1c = 0

Combine like terms: -7b + -7b = -14b
9a + -14b + c + -1c = 0

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

Solving
9a + -14b = 0

Solving for variable 'a'.

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

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

Combine like terms: -14b + 14b = 0
9a + 0 = 0 + 14b
9a = 0 + 14b
Remove the zero:
9a = 14b

Divide each side by '9'.
a = 1.555555556b

Simplifying
a = 1.555555556b