If it moves 423 feet in 7 minutes, you divide 423 by 7 to see how much it moves per minute, which is Around 60.4 feet per minute
<u>Statement </u> <u>Reason</u>
<u>
</u> Given
Subtract 9 from both the sides
<u>
</u><u> </u> Subtracting same number will not affect equation
Simplification
Multiplying by 5 both the sides
x= 10 By simplifying both the sides
Thus we solved the equation and got x =10 as answer.
Here are the laws of exponents:



Hope that helps :)
Answer:
n - 19
Step-by-step explanation:
If n represents the number, subtracting 19 from it will give a value that is 19 less than the number.
n - 19 . . . . . 19 less than a number