a=a+4b+2c

Solution for a=a+4b+2c equation:

Simplifying
a = a + 4b + 2c

Add '-1a' to each side of the equation.
a + -1a = a + 4b + -1a + 2c

Combine like terms: a + -1a = 0
0 = a + 4b + -1a + 2c

Reorder the terms:
0 = a + -1a + 4b + 2c

Combine like terms: a + -1a = 0
0 = 0 + 4b + 2c
0 = 4b + 2c

Solving
0 = 4b + 2c

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
0 + -4b = 4b + -4b + 2c
Remove the zero:
-4b = 4b + -4b + 2c

Combine like terms: 4b + -4b = 0
-4b = 0 + 2c
-4b = 2c

Divide each side by '-4'.
b = -0.5c

Simplifying
b = -0.5c