Question

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

Answer 1

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

Answer 2

$\sf 1370|\underline{2~~~~~} \\ \underline{12}~~~|685 \\ ..17 \\ ..\underline{16} \\ ....10 \\ ....\underline{10} \\ ~~~~= \\ \\ 1370:2=\boxed{\sf 685}$