3a+4b-a-3b-a=

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

Simplifying
3a + 4b + -1a + -3b + -1a = 0

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

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

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

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

Solving
1a + 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.
1a + 1b + -1b = 0 + -1b

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

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

Simplifying
a = -1b