Which expression is equal to 3(5x - 6) -2(4x + 5)? A) 7x - 1 B) 9x - 1 C) 9x - 13 D) 7x - 28

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Nov 25, 2017 208k views

4 votes

Which expression is equal to 3(5x - 6) -2(4x + 5)? A) 7x - 1 B) 9x - 1 C) 9x - 13 D) 7x - 28

Mathematics
middle-school

Jrue asked

by Jrue

7.5k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

2 votes

3 (5x-6)-2 (4x+5)
1st Distribute the 3 and -2
15x-18-8x-10
Now combine like terms
7x-28 answer D

Aphire answered Nov 26, 2017

by Aphire

8.3k points

0 Comments

Please log in or register to add a comment.

1 vote

$3(5x - 6) -2(4x + 5) \\ \\ 15x - 18 - 8x - 10 \ / \ expand \\ \\ (15x - 8x) - 18 - 10 \ / \ gather \ the \ like \ terms \\ \\ 7x - 18 - 10 \ / \ simplify \\ \\ 7x - 28 \ / \ simplify \\ \\$

The final result is D) 7x - 28.

Johnykes answered Nov 30, 2017

by Johnykes

7.8k points

0 Comments

Please log in or register to add a comment.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.1m questions

10.8m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

0 Comments

Please log in or register to add a comment.

0 Comments

Please log in or register to add a comment.

Other Questions