5a-105=105-4a

Solution for 5a-105=105-4a equation:

Simplifying
5a + -105 = 105 + -4a

Reorder the terms:
-105 + 5a = 105 + -4a

Solving
-105 + 5a = 105 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
-105 + 5a + 4a = 105 + -4a + 4a

Combine like terms: 5a + 4a = 9a
-105 + 9a = 105 + -4a + 4a

Combine like terms: -4a + 4a = 0
-105 + 9a = 105 + 0
-105 + 9a = 105

Add '105' to each side of the equation.
-105 + 105 + 9a = 105 + 105

Combine like terms: -105 + 105 = 0
0 + 9a = 105 + 105
9a = 105 + 105

Combine like terms: 105 + 105 = 210
9a = 210

Divide each side by '9'.
a = 23.33333333

Simplifying
a = 23.33333333