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Mathematics 12 Online
OpenStudy (anonymous):

HELP! What are the solutions of the equation? 15+|x|=26 Choose all answers that are correct. (Points : 1) –41 –11 11 41

myininaya (myininaya):

Try solving the above first for |x|

OpenStudy (anonymous):

idk how thats why i put it on here

OpenStudy (anonymous):

how?

myininaya (myininaya):

ok i didn't know you didn't know how to isolate |x|

myininaya (myininaya):

so that means if we had the equation 15+x=26 you wouldn't know how to solve that for x right?

OpenStudy (anonymous):

soory that sounded meaner then what i thought in my head :(

OpenStudy (anonymous):

no

myininaya (myininaya):

ok so do you know that a+(-a)=0?

OpenStudy (anonymous):

idk what your talking about honestly

myininaya (myininaya):

so you don't know what 15+(-15) is?

OpenStudy (anonymous):

0?

myininaya (myininaya):

yes a+(-a) is 0

myininaya (myininaya):

so if we had the equation a+|x|=b and I wanted to solve it I would first +(-a) on both sides so I would have a+(-a)+|x|=b+(-a) 0+|x|=b+(-a) but 0+|x| is |x| |x|=b+(-a) <--- so we have solve a+|x|=b for |x|

myininaya (myininaya):

can you do that with your problem solve it for |x| now?

myininaya (myininaya):

hint the +(-15) on both sides

OpenStudy (anonymous):

ok you lost me..... but just never mind i have like a minute left before i submit it and i know i wont get it in time

myininaya (myininaya):

|dw:1411755310994:dw|

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