3a+5b-4b+a=

Solution for 3a+5b-4b+a= equation:

Simplifying
3a + 5b + -4b + a = 0

Reorder the terms:
3a + a + 5b + -4b = 0

Combine like terms: 3a + a = 4a
4a + 5b + -4b = 0

Combine like terms: 5b + -4b = 1b
4a + 1b = 0

Solving
4a + 1b = 0

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
4a + 1b + -1b = 0 + -1b

Combine like terms: 1b + -1b = 0
4a + 0 = 0 + -1b
4a = 0 + -1b
Remove the zero:
4a = -1b

Divide each side by '4'.
a = -0.25b

Simplifying
a = -0.25b