Question

$7^3x \div 7^4 = 7^8 \: then \: x = {?}$
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Answer 1

Answer:

7⁹

Step-by-step explanation:

7³x ÷ 7⁴ =7⁸

7³x/7⁴ =7⁸

by cancelling 7³ by 7⁴ we get

x/7¹=7⁸

= x= 7¹×7⁸

= 7⁹