Subtract 4 from both sides of the equation. It looks familiar now right? (y=mx+b is a linear equation)
Answer:
y=25h-2000
Step-by-step explanation:
you would need to subtract the 2000 in order to know when you made a profit from buying the piano. and then the 25h is the amount of hours teaching.
You would have to take 42 and multiply it by .20 and get tht number and add it back to 42
<span>4p−8
</span>=<span>4(p-2)
answer is D </span><span>4(p−2) (last choice)</span><span>
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