helpmehelpyou13 helpmehelpyou13

23-01-2018
Mathematics

contestada

The difference of a number times 2 and 7 is 9. (Use w for the unknown number)

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thebrenneihnerd thebrenneihnerd

23-01-2018

2w-7=9
+7=+7
2w=16
2w/2=16/2
w=8

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