Question

2^((x-7) )*5^(x-4)=1250 Find X

Answer 1

2^((x-7) )*5^(x-4)=1250

2^x−7 ×5^ x−4 =2×625

2^x−7 ×5^x−4 =21 ×54

x−7=1

x=8

x-4=4

x=8