4a-2b-(3a+b)=0

Solution for 4a-2b-(3a+b)=0 equation:

Simplifying
4a + -2b + -1(3a + b) = 0
4a + -2b + (3a * -1 + b * -1) = 0
4a + -2b + (-3a + -1b) = 0

Reorder the terms:
4a + -3a + -2b + -1b = 0

Combine like terms: 4a + -3a = 1a
1a + -2b + -1b = 0

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

Solving
1a + -3b = 0

Solving for variable 'a'.

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

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

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

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

Simplifying
a = 3b