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OpenStudy (anonymous):
medal and fan Evaluate the expression, using the given value of the variable. 3 – 7x + 2x when x = 3 A. –30 B. –24 C. –18 D. –12
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OpenStudy (kamibug):
Just plug in the value of the variable into the expression! :) 3 - 7(3) + 2(3) Solve it from here?
OpenStudy (anonymous):
yes. Thanks!
OpenStudy (anonymous):
B. -24
OpenStudy (kamibug):
7 times 3 is 21 and 2 times 3 is 6. 3 - 21 + 6 3 minus 21 is -18 -18 plug 6 is -12
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