Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

This is equivalent to:

By substitution:

Rearranging yields:

Combine like terms:

Hence:

You have to muliply it all togeather to get the exact answer. 4 times 10 equals 40 40 times 3 equals 120 then 120 times 6 equals 720 and thats the right answer
The answer is 21 because 189 divided by 9 is 21
Answer:
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Step-by-step explanation: