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Mathematics 26 Online
OpenStudy (bruno102):

-4x + 1 ≥ 7

OpenStudy (dmezzullo):

Do u have any idea on what to start off with? Like what u do first

OpenStudy (bruno102):

I thought I would divide?

OpenStudy (dmezzullo):

Not quite

OpenStudy (bruno102):

Subtract?

OpenStudy (bruno102):

I don't really know..

OpenStudy (anonymous):

-4x + 1 ≥ 7 -4x ≥ 7-1 -4x ≥ 6 x ≥ 6/(-4) x ≥ -3/4

OpenStudy (bruno102):

Ok, I have done this problem the way you did it @Jaama from the first line to the fourth but I don't get the last line.

OpenStudy (dmezzullo):

Sorry i had to do something i would like to help tho

OpenStudy (bruno102):

and are you supposed to turn the greater than or equal to sign around?

OpenStudy (anonymous):

when you multiply or divide by a negative number, yes

OpenStudy (bruno102):

so would the answer be x is less than or equal to - 3/4?

OpenStudy (anonymous):

by the way its -3/2

OpenStudy (bruno102):

ohhh how do you get that though? I dont get how 6/-4 is that

OpenStudy (anonymous):

6/-4 = 3/-2 you can check with calculator but it's (3/-2)*(2/2)

OpenStudy (anonymous):

which is (3/-2)*1

OpenStudy (bruno102):

so your basically just simplifying the 6/-4

OpenStudy (anonymous):

yes. and final answer is x <= -3/2

OpenStudy (bruno102):

Thank you, you were a great help!

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