3=2a+2b+c

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

Simplifying
3 = 2a + 2b + c

Solving
3 = 2a + 2b + c

Solving for variable 'a'.

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

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

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

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

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

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

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

Divide each side by '-2'.
a = 1.5 + -1b + -0.5c

Simplifying
a = 1.5 + -1b + -0.5c