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Mathematics 21 Online
OpenStudy (anonymous):

find the value of x

OpenStudy (anonymous):

|dw:1387505411827:dw|

OpenStudy (anonymous):

@DemolisionWolf

OpenStudy (anonymous):

since you know that 3x-5 shoould be twise the size of 20 so put the equation like so: 2(3x-5) = 20 this will give you X :)

OpenStudy (anonymous):

sooo what did you get..

OpenStudy (anonymous):

i got 5

OpenStudy (anonymous):

make sure...

OpenStudy (anonymous):

-5 times 2 equal what..

OpenStudy (anonymous):

-10

OpenStudy (anonymous):

- time - = +

OpenStudy (ybarrap):

Do you understand why 2(3x-5)=20 was used?

OpenStudy (anonymous):

yup so your right !!! its 5 :)

OpenStudy (anonymous):

yeah cause it is twice the value

OpenStudy (anonymous):

yup ypu :)

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