3a-1+2a+4=a

Solution for 3a-1+2a+4=a equation:

Simplifying
3a + -1 + 2a + 4 = a

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

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

Combine like terms: 3a + 2a = 5a
3 + 5a = a

Solving
3 + 5a = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
3 + 5a + -1a = a + -1a

Combine like terms: 5a + -1a = 4a
3 + 4a = a + -1a

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

Add '-3' to each side of the equation.
3 + -3 + 4a = 0 + -3

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

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

Divide each side by '4'.
a = -0.75

Simplifying
a = -0.75