482,368 views
25 votes
25 votes
5(2k - 3 )-3(k+4)/ 3k+2; k= -2

User NickDK
by
2.8k points

2 Answers

18 votes
18 votes

Answer:

-33

Explanation:

5(2k - 3 )-3(k+4)/ 3k+2

5(2*(-2)-3)-3((-2)+4)/3*(-2)+2

5(-4-3)-3(2)/(-6)+2

5(-7)-6/(-6)+2

-35+1+2

-33

User Codyeatworld
by
3.3k points
8 votes
8 votes

Answer:

First, we substitute k=-2 in the given expression and we calculate the numerical value.


(5(2k-3)-3(k+4)/(3k+2) =(512(-2)-3](-2+4)/(3(-2)+2)


=(5(-4-3)-3(2))/(-6+2)


=(5(-7)-6)/(-4)


=(-41)/(-4)


=(41)/(4)

OAmalOHopeO

User Afrowave
by
2.7k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.