3a+6=a+4

Solution for 3a+6=a+4 equation:

Simplifying
3a + 6 = a + 4

Reorder the terms:
6 + 3a = a + 4

Reorder the terms:
6 + 3a = 4 + a

Solving
6 + 3a = 4 + 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.
6 + 3a + -1a = 4 + a + -1a

Combine like terms: 3a + -1a = 2a
6 + 2a = 4 + a + -1a

Combine like terms: a + -1a = 0
6 + 2a = 4 + 0
6 + 2a = 4

Add '-6' to each side of the equation.
6 + -6 + 2a = 4 + -6

Combine like terms: 6 + -6 = 0
0 + 2a = 4 + -6
2a = 4 + -6

Combine like terms: 4 + -6 = -2
2a = -2

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

Simplifying
a = -1