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OpenStudy (anonymous):
Simplify 20 + (2 + r). r + 22 22r 20r
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OpenStudy (anonymous):
its 22+r because 20+(2+r) is basically 20+2+r
OpenStudy (anonymous):
when the question is 20(2+r) than the answer will be 40+20r which is different
OpenStudy (anonymous):
I thought you had to simplify what is in the parenthesis first
OpenStudy (anonymous):
you usually do but in this case there is nothing in the parenthesis for you to simplify
OpenStudy (anonymous):
Oh okay. Thank you for explaining:)
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OpenStudy (anonymous):
no problem glad to help :)
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