3=4a+2b+3

Solution for 3=4a+2b+3 equation:

Simplifying
3 = 4a + 2b + 3

Reorder the terms:
3 = 3 + 4a + 2b

Add '-3' to each side of the equation.
3 + -3 = 3 + 4a + -3 + 2b

Combine like terms: 3 + -3 = 0
0 = 3 + 4a + -3 + 2b

Reorder the terms:
0 = 3 + -3 + 4a + 2b

Combine like terms: 3 + -3 = 0
0 = 0 + 4a + 2b
0 = 4a + 2b

Solving
0 = 4a + 2b

Solving for variable 'a'.

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

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

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

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

Simplifying
a = -0.5b