3=2c+2b+a

Solution for 3=2c+2b+a equation:

Simplifying
3 = 2c + 2b + a

Reorder the terms:
3 = a + 2b + 2c

Solving
3 = a + 2b + 2c

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.
3 + -1a = a + 2b + -1a + 2c

Reorder the terms:
3 + -1a = a + -1a + 2b + 2c

Combine like terms: a + -1a = 0
3 + -1a = 0 + 2b + 2c
3 + -1a = 2b + 2c

Add '-3' to each side of the equation.
3 + -3 + -1a = 2b + -3 + 2c

Combine like terms: 3 + -3 = 0
0 + -1a = 2b + -3 + 2c
-1a = 2b + -3 + 2c

Reorder the terms:
-1a = -3 + 2b + 2c

Divide each side by '-1'.
a = 3 + -2b + -2c

Simplifying
a = 3 + -2b + -2c