3a+4=a

Solution for 3a+4=a equation:

Simplifying
3a + 4 = a

Reorder the terms:
4 + 3a = a

Solving
4 + 3a = 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.
4 + 3a + -1a = a + -1a

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

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

Add '-4' to each side of the equation.
4 + -4 + 2a = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 2a = 0 + -4
2a = 0 + -4

Combine like terms: 0 + -4 = -4
2a = -4

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

Simplifying
a = -2