Help Me Please with the answer

Answer:
x = 5
Step-by-step explanation:
Laws of indices states that if the base is same the power can be added or subtracted. Since this is division, the powers are subtracted.
So, 2x - 3 = 7
or, 2x = 7 + 3
or, 2x = 10
or, x = 10/2
or, x = 5