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Mathematics 7 Online
OpenStudy (anonymous):

5y - 12.4 = 3.1

OpenStudy (anonymous):

First, you have to add 12.4 and 3.1 and what do you get?

OpenStudy (anonymous):

15.5

OpenStudy (anonymous):

so your left with 5y=15.5 how do you get y by itself ?

OpenStudy (anonymous):

-5

OpenStudy (anonymous):

Actually you have 5y=15.5 so you divide both sides by 5 so 5y/5 leaves you with y and 15.5/5= 3.1 so y=3.1

OpenStudy (anonymous):

so y=15.5

OpenStudy (anonymous):

5y-12.4=3.1

OpenStudy (anonymous):

so 15.5-12.4=3.1

OpenStudy (anonymous):

is that right?

OpenStudy (facebook):

no pemdas

OpenStudy (anonymous):

nope. 5y-12.4=3.1 (add 12.4 to both sides) 5y=15.5 (divide by 5) y=3.1

OpenStudy (anonymous):

sorry, yes. it's right.

OpenStudy (anonymous):

ty

OpenStudy (anonymous):

I'm just not sure how you got that.

OpenStudy (anonymous):

no worries.

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