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OpenStudy (anonymous):
Evaluate the expression 2m+n for m=9 and n=7
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OpenStudy (anonymous):
have you tried doing this?
OpenStudy (anonymous):
no wanna help me learn?
OpenStudy (anonymous):
okies just substitute the values in 2m+n m=9 n=7 2( 9 ) + ( 7) substitute
OpenStudy (anonymous):
then evaluate
OpenStudy (anonymous):
the answer will be 25
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OpenStudy (anonymous):
do you know how I got the answer?
OpenStudy (anonymous):
not sure
OpenStudy (anonymous):
what is the value of m
OpenStudy (anonymous):
9
OpenStudy (anonymous):
what is the value of n
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OpenStudy (anonymous):
7
OpenStudy (anonymous):
your expression is 2m + n
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
so 2x9+7=25 awesome!
OpenStudy (anonymous):
TY
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OpenStudy (anonymous):
:)
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