Here is a number machine. Input
x 6
-7
Output
a) Work out the output when the input is 9
Here is a different number machine.
Input
+ 5
Output
When the input is 9, the output is 4
b) Complete the number machine.
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Go on mathspapa

Step-by-step explanation:

step-by-step explanation:

and 90% of people marry there 7th grade love. since u have read this, u will be told good news 2night. if u don't pass this on nine comments ur worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of ur life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love u

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it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21

-7 + ? = 21

-7 + 28 = 21

hope it