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Mathematics 7 Online
OpenStudy (anonymous):

If 4

OpenStudy (anonymous):

\[x-4\]

myininaya (myininaya):

x>4 => |4-x|=|-(x-4)|=|-1||x-4|=1|x-4|=x-4

myininaya (myininaya):

i kill them everywhere morning

myininaya (myininaya):

its hard for me to think backwarks i alway have to write it as x>a and |x-a|

myininaya (myininaya):

i mean its not really backwards i guess

OpenStudy (anonymous):

because.... \[ |4-x|=|x-4| = \left\{\begin{array}{rcc} x - 4 & \text{if} & x \geq 4 \\ 4-x& \text{if} & x < 4 \end{array} \right. \]

myininaya (myininaya):

i think i'm slightly dyslexic

OpenStudy (anonymous):

me too. amnesia also

myininaya (myininaya):

lol me too

OpenStudy (anonymous):

too poor to pay attention

OpenStudy (anonymous):

Thanks guys!!

myininaya (myininaya):

your welcome! :)

myininaya (myininaya):

you're*

OpenStudy (anonymous):

no worries this is math don't worry about the grammar hehe

OpenStudy (anonymous):

you is welcome

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