Question

Find x 8^3 * 8^x= 8^7

Answer 1

x=4

Explanation:

8^3 ×8^x =8^7

3+x=7

x=7-3

x=4

8^3×8^4 =8^(3+4)=8^7

Answer 2

x=4

Explanation:

(8^3)(8^x)=87

512(8^x)=2097152

512(8^x)/512 = 2097152/512

8^x=4096

log(8^x)=log(4096)

x*(log(8))=log(4096)

x= log(4096) / log(8)

x=4