Multiply 4 with 2x - 3
Take 6x to LHS and make it negative. And take -12 to RHS and make it positive. This process is called transposition.
Now subtract 6x from 8x, we get 2x. And on the RHS, it will be 14.
Now divide both sides with 2.
2 and 2 gets cancelled out in LHS.
Answer:
x = 7
Hope you could understand.
If you have any query, feel free to ask.