Register
Question 9 of 10 What is the solution to this equation? 9 - 4x + 7x = 15 O A. X=-2 B. X = 2 C. x = 8 O o D. x = -8
398,514 views
7 votes
7 votes
Question 9 of 10

What is the solution to this equation?
9 - 4x + 7x = 15
O A. X=-2
B. X = 2
C. x = 8
O o
D. x = -8

User Radj
by
2.9k points

2 Answers

22 votes
22 votes
9-4x+7x=15
9+3x=15
move 9 to the other side
sign changes from +9 to -9
9-9+3x=15-9
3x=6
Divide by 3 for both sides
3x/3=6/3
Cross out 3 and 3, divide by 3 and then becomes 1*1*x=x
x=2
Answer: x=2
User Draykos
by
2.7k points
13 votes
13 votes

Answer:

B is the answer

Explanation:

hope this help

Question 9 of 10 What is the solution to this equation? 9 - 4x + 7x = 15 O A. X=-2 B-example-1
User Francisco Junior
by
2.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Can anybody tell me what’s going on here?
Granola costs $1.76 per pound. Write and solve an equation to determine the number of pounds p of granola that can be purchased with $7.04. The equation is: The value of x is
Evalute 8a -1+0.5b when a =1/4 and b= 10 how dose this work i need help..
HELP PLEASE, I NEED THE ANSWER QUICKLY
If y = sin 3x, find y" in terms of y.
Link Copied!