i need help with solving equtions for alebra 8th grade for example 5a-6-2a=12

5a-6-2a=12

\(5a-6-2a=12\)

\(3a-6=12\)           [ + 6

\(3a=12+6\)

\(3a=18\)                   [ / 3

\(a=6\)       !