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Mathematics 5 Online
OpenStudy (anonymous):

4x<24 is this right 4x<6 ?

OpenStudy (jackellyn):

You have to divide both sides by 4 to get the x alone (your goal!) 4x/4 < 24/4 x < 6

OpenStudy (anonymous):

?

OpenStudy (jackellyn):

when you are solving for a variable, your goal is to get the variable alone. also, whatever you do to one side you have to do to the other side. So what you posted was incorrect.

OpenStudy (anonymous):

is it 4x>6

OpenStudy (jackellyn):

no, its x < 6

OpenStudy (anonymous):

same thing for this problem 8x<56 ?

OpenStudy (ajprincess):

yes.

OpenStudy (anonymous):

x>7

OpenStudy (ajprincess):

no it's x<7

OpenStudy (jackellyn):

the only time you switch the sign is if you divide by a negative number Example: No Switch 2x > 3 x >3/2 Switch -2x >3 x < -3/2

OpenStudy (anonymous):

with 5x<50 x>10?

OpenStudy (jackellyn):

Nope, there is no negative number being divided so the sign doesn't change. x <10

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