Question

Find the numerical values of the following expressions. -3|x|+2x-1 if x=-5

Answer 1

Find the numerical values of the following expressions. -3|x|+2x-1 if x=-5

Explanation:

Substituting x=-5, we get:

-3|x| + 2x - 1 = -3|-5| + 2(-5) - 1

= -3(5) - 10 - 1

= -15 - 10 - 1

= -26

Therefore, -3|x| + 2x - 1 = -26 when x=-5.