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Mathematics 8 Online
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

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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