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OpenStudy (anonymous):
solve 0.4x+4<=0.8x-9 my answer is x>=32.5 am i correct
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OpenStudy (anonymous):
solve 5/4x+1/8x=9/8+x
OpenStudy (anonymous):
yes, you are right
OpenStudy (anonymous):
\[.4x + 4 \le .8x - 9 \]\[\implies -.4x \le -12\]\[\implies x \ge30\] Looks like you're a bit off.
OpenStudy (anonymous):
9+4 = 13, not 12 :)
OpenStudy (anonymous):
Doh! You're right. Foiled by arithmetic!
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OpenStudy (anonymous):
lol :D
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