Question

Evaluate by substituting and simplifying |4.2 − 3x| − 6.1, if x = 2.
Answer

(A) -7.9

(B) -4.3

(C) 0.1

(D) -6.9

Answer 1

| | of a negative number is positive

ex: |-6| = 6

Answer 2

here u can see here

http://www.wolframalpha.com/input/?i=%7C4.2+%E2%88%92+3x%7C+%E2%88%92+6.1%2C+if+x+%3D+2

Answer 3

-4.3

Answer 4

u can see in my link

Answer 5

yeah it will be
|4.2-6|-6.1
|-1.8|-6.1
=1.8-6.1
=-4.3

Answer 6

Thanks you guys ..your the best