Answer:
4
Step-by-step explanation:
im a bit rusty but if you are diving the indices its basically minusing
7-3 = 4
tell me if that doesnt work i have one other way
x=4
7^7/7^3=7^x
7^7-3=7^x
7^4=7^x
2401=7^x
4=x
d
just add every thing up to gether
