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Mathematics 22 Online
OpenStudy (anonymous):

k-3k=6k+5-8k

OpenStudy (lgbasallote):

first..combine k - 3k..what do you get?

OpenStudy (anonymous):

-4k i think

OpenStudy (lgbasallote):

do you know what 1 - 3 is?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

my teacher never taught us how to do it like that

OpenStudy (lgbasallote):

here's a hint.. 1 - 3 is just the negative of 3-1 so what's 3-1?

OpenStudy (anonymous):

2

OpenStudy (lgbasallote):

so what is 1-3?

OpenStudy (anonymous):

-2

OpenStudy (lgbasallote):

right. so k - 3k is...?

OpenStudy (anonymous):

-2

OpenStudy (anonymous):

?

OpenStudy (lgbasallote):

-2 is 1 - 3

OpenStudy (lgbasallote):

k - 3k has a k beside it

OpenStudy (anonymous):

so maybe -2K?

OpenStudy (lgbasallote):

right

OpenStudy (lgbasallote):

so you have -2k = 6k + 5 - 8k now...what is 6k - 8k?

OpenStudy (anonymous):

2k

OpenStudy (lgbasallote):

2k is 8k - 6k..not 6k - 8k

OpenStudy (anonymous):

-2k

OpenStudy (lgbasallote):

right

OpenStudy (lgbasallote):

so you have -2k = -2k + 5 now add 2k to both sides

OpenStudy (anonymous):

5

OpenStudy (anonymous):

is that correct?

OpenStudy (lgbasallote):

no.. 0 = 5

OpenStudy (lgbasallote):

therefore the answer is that you have no solution

OpenStudy (anonymous):

thank you

OpenStudy (lgbasallote):

welcome

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