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Mathematics 9 Online
OpenStudy (anonymous):

What number makes the equation true? 99 − 20 − = 60

OpenStudy (anonymous):

what is 99 - 20?

OpenStudy (igreen):

99 - 20 - x = 60 Subtract 99 - 20

OpenStudy (anonymous):

Then you count down from there until you get to 60. And how ever many you counted down that is your answer

OpenStudy (♪chibiterasu):

You don't need to count you can just subtract the difference from the total, which is 60.

OpenStudy (anonymous):

Yea but thats to easy ;) jk

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