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Mathematics 19 Online
OpenStudy (anonymous):

Martin is considering the expressions 1/2(7x+48)and -(1/2x-3)+4(x+5).He wants to know if one expression is greater than the other for all values of x.

DivineSolar (divinesolar):

Let's solve these.

OpenStudy (anonymous):

Ok

DivineSolar (divinesolar):

What does this turn into?

DivineSolar (divinesolar):

?

OpenStudy (anonymous):

7/2x and

OpenStudy (anonymous):

24

DivineSolar (divinesolar):

Well it would just be 7/2x + 24 which is the final solution to that or it can be 3.5x + 24, but let us stick with the fraction.

DivineSolar (divinesolar):

Now for the next one.

OpenStudy (anonymous):

Ok

DivineSolar (divinesolar):

DivineSolar (divinesolar):

I want you to combine like terms.

OpenStudy (anonymous):

Ok one second

DivineSolar (divinesolar):

Mkay :).

OpenStudy (anonymous):

Its -7/2x +23

DivineSolar (divinesolar):

Actually it is not negative 7/2x, it is positive 7/2x

DivineSolar (divinesolar):

Because you did do division.

OpenStudy (anonymous):

O ok 😂😂

DivineSolar (divinesolar):

By looking at each which one is bigger :)?

OpenStudy (anonymous):

-1/2x-3+4(x+5)

DivineSolar (divinesolar):

Looking at our final solutions?

OpenStudy (anonymous):

O then the first one

DivineSolar (divinesolar):

Well there you go :).

OpenStudy (anonymous):

Thank you

DivineSolar (divinesolar):

Sure, if you want to repay me in any way just click best response. ^-^.

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

Where's that at I'm new to this ???

DivineSolar (divinesolar):

Where you see the medallion there is best response to the left of it

DivineSolar (divinesolar):

DivineSolar (divinesolar):

There you go ^-^.

OpenStudy (anonymous):

Ok I did it

DivineSolar (divinesolar):

Thank you ^-^.

OpenStudy (anonymous):

Thank you to and welcome

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