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22-03-2015
Mathematics

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2w=1370 this is the equation for my 4th grade class

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22-03-2015

w=1370/2
w=685.
you have to isolate the variable which in this case is dividing both sides by 2.

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0000000 0000000

22-03-2015

[tex]\sf 1370|\underline{2~~~~~} \\ \underline{12}~~~|685 \\ ..17 \\ ..\underline{16} \\ ....10 \\ ....\underline{10} \\ ~~~~= \\ \\ 1370:2=\boxed{\sf 685}[/tex]

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