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

asked Feb 12, 2018 58.7k views

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2 votes

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

Lightstrike answered Feb 13, 2018

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6 votes

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

RnD answered Feb 17, 2018

by RnD

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