-n*p-80

Question

-n*p-80<60

alexandervonhumboldt2 · Answer

wadda you need to do with this? lolya

anonymous · Answer

@kayla254

landon34 · Answer

i can go on an expression solver, and solve it for you.

pogo · Answer

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anonymous · Answer

I'm helping a new OpenStudier learn what the matemaatic section is. Posted the original in the OpenStudy feedback section.

alexandervonhumboldt2 · Answer

first of all add 80 to both sides:
-np-80<60
-np<140
now for what do you need to solve for? n or p?

alexandervonhumboldt2 · Answer

sorry lolya

kayla254 · Answer

i  need to  solve for n

anonymous · Answer

@kayla254, if you want to post the full original question, I'd be glad to help you with them.

kayla254 · Answer

solve -np-80<60 for N

alexandervonhumboldt2 · Answer

last thing we got is -np<140

now we divide both sides by p:
-np/p<140/p
-n<140/p

now divide both sides by -1 and flip the sign < to >
n?

kayla254 · Answer

ok next question solve 2a-5d=30 for d

anonymous · Answer

2a-5d=30
Subtract 2a from each side
-5d=30-2a
Divide both sides by -5
$$d=\frac{ 30-2a }{ -5 }$$

anonymous · Answer

Could also be written:$$d=\frac{ 2a }{ 5 }-6$$