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Mathematics 7 Online
OpenStudy (anonymous):

Evaluate the function for x = –2a, if a = 3.

OpenStudy (marissalovescats):

Hi and welcome to OpenStudy! What we'll do here is substitution. So it says a=3. So now all we do is plug in 3 into the equation where a is: x=-2(3) So what is -2(3)?

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