c=c+3b+a

Solution for c=c+3b+a equation:

Simplifying
c = c + 3b + a

Reorder the terms:
c = a + 3b + c

Add '-1c' to each side of the equation.
c + -1c = a + 3b + c + -1c

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

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

Solving
0 = a + 3b

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
0 + -1a = a + -1a + 3b
Remove the zero:
-1a = a + -1a + 3b

Combine like terms: a + -1a = 0
-1a = 0 + 3b
-1a = 3b

Divide each side by '-1'.
a = -3b

Simplifying
a = -3b