6a-12=42+5a

Solution for 6a-12=42+5a equation:

Simplifying
6a + -12 = 42 + 5a

Reorder the terms:
-12 + 6a = 42 + 5a

Solving
-12 + 6a = 42 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-12 + 6a + -5a = 42 + 5a + -5a

Combine like terms: 6a + -5a = 1a
-12 + 1a = 42 + 5a + -5a

Combine like terms: 5a + -5a = 0
-12 + 1a = 42 + 0
-12 + 1a = 42

Add '12' to each side of the equation.
-12 + 12 + 1a = 42 + 12

Combine like terms: -12 + 12 = 0
0 + 1a = 42 + 12
1a = 42 + 12

Combine like terms: 42 + 12 = 54
1a = 54

Divide each side by '1'.
a = 54

Simplifying
a = 54