Verified Answer :

sissyrose

the input is 4 because 5x4=20 and 20-8=12
how do you solve for x?
1) write the equation 
y=5x-8
2) substitute 12 for y
12=5x-8
3) Add 8 to each side
20=5x
4) divide each side by 5
x=4

DEADYT1

Answer:

is 5 my bro

Step-by-step explanation:

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