bsagintin bsagintin

20-01-2017
Mathematics

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13 + 7 + x = 28 i need help i dont want to fail

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pistols24 pistols24

20-01-2017

it is x=8 because 13+7=20 and 28-20 would be 8 and that's the missing number.

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kaylaatsherman kaylaatsherman

20-01-2017

x = 8 because 13 + 7 = 20 and then 28 - 20 leaves 8 for 'x'

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