krazymom krazymom

02-02-2017
Mathematics

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3x-9 over 2 and x=-3

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spongebob456 spongebob456

02-02-2017

[tex] \frac{3x-9}{2} [/tex]
if x=-3 u substitute
3(-3)-9=-9-9=-18
-18/2=-9

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02-02-2017

Substitute -3 in for x

(3(-3) -9)/2
(-18)/2 = -9

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