Question

9^4.5×7^2.8×63^4×9^2.5×7^4.2=63^x

Answer 1

Answer:

I don't know

Step-by-step explanation:

follow me n I will follow back u

Answer 2

Answer:

x=11

Step-by-step explanation:

9^4.5×9^2.5×7^2.8×7^4.2×63^5=63^x

=>9^(4.5+2.5)×7^(4.2+2.8)×63^4=63^x

=>9^7×7^7×63^4=63^x

=>63^7^63^4=63^x

=>63^11=63^x

=>x=11