4a+b-3a+b=

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

Simplifying
4a + b + -3a + b = 0

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

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

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

Solving
1a + 2b = 0

Solving for variable 'a'.

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

Add '-2b' to each side of the equation.
1a + 2b + -2b = 0 + -2b

Combine like terms: 2b + -2b = 0
1a + 0 = 0 + -2b
1a = 0 + -2b
Remove the zero:
1a = -2b

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

Simplifying
a = -2b