Question

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

Answer 1

Plug 5 into each x.
2-8•5+3•5 (multiply)
2-40+15 (subtract)
-38+15 (add)
= -23 (B)