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Mathematics 20 Online
OpenStudy (anonymous):

How many different variables are in the expression q - 12 +3r - 5s +6r-1? Name each variable.

OpenStudy (anonymous):

well how many different letters do you see?

OpenStudy (anonymous):

q, r, s, = 3 variables

OpenStudy (anonymous):

i see 3 different letters... so the letters are the variables right?

OpenStudy (anonymous):

yes

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