Exponential equation problem. #mathshorts #mathstricks

[malvrin]

(8^x/4^x)-1=15
(8/4)^x=16
2^x=2^4
x=4

[YonNommoc]

Wow amazing really I am impressed Madam 🙏 thank you

[dumitrudraghia]

(8^x)/(4^x)-1=15,
2^x=16,
2^x=2^4,
x=4.

[amoyebrainlandintschyenago]

But 8 raaise to power x and 2 and 4 raise to power x are not equal. Is it true. I thought 2 and 4 raise to power x will give you 8 raise to power 2x. Stand to be corrected.