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Evaulate the expression using the given values of the variable, 2 - 8x + 3x when x = 5 A. 57 b. -23 c. -53 d. -15 PS. plz explain if you can because im not sure how to do this at all
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33 votes
33 votes
Evaulate the expression using the given values of the variable, 2 - 8x + 3x when x = 5

A. 57
b. -23
c. -53
d. -15
PS. plz explain if you can because im not sure how to do this at all

User Ilaunchpad
by
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1 Answer

27 votes
27 votes
Plug 5 into each x.
2-8•5+3•5 (multiply)
2-40+15 (subtract)
-38+15 (add)
= -23 (B)
User Oboshto
by
3.2k points
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