Question

plz tell the following

Answer 1

Here is your answer

Hope it helps

Answer 2

Answer:

256=2^8

so 2^3x-7=2^8

as here on both sides bases are same

we can compare the powers

so 3x-7=8

3x=8+7

3x=15

x=15/3

x=5

so x=5

thanks for asking