The correct answer is decimeter
15x+2=9x+20
6x+2=20
6x=18
x=3
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Answer:
Infinite Solutions
Step-by-step explanation:
5(x-3)+6=5x-9
5x-15+6=5x-9
5x-9=5x-9
Add 9 to both sides
5x=5x
Divide by 5
x=x
Infinite solutions because any number put in will be right
the answer is 9 because F of 3 is asking when x equals 3 what is the Y value?