Y < 0.75x-5?

i dont know what to do.. NEED HELP.. thanks

I honestly don't know why this question is on Travel Korea section.
Is it because Koreans(Asians) are good at math?

y < 0.75x-5
y+5 < 0.75x
(y+5)/0.75 < x
(y+5)*4/3 < x (鈭?0.75= 3/4)
(4y+20)/3 < x
4y+20 < 3x

Satisfied?

* Later Edited: Smile, I'm afraid you are wrong.
There are two variables - x and y.
Where did "x" go?
y<0.75x-5
y+5<0.75x-5+5 (so far, correct!)
"y+5<0.75" (Where is the variable 'x'??? variable 'x' suddenly disappeared!!)
y+5-5<0.75-5 (wrong)
y<0.70 (wrong)

We need one more inequality to figure out specific y area.

y<0.75x-5
y+5<0.75x-5+5
y+5<0.75
y+5-5<0.75-5
y<0.70

hope i helped!

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