Notice: Payments for answers will end 4/10/2017. Click for more info.
You have new items in your feed. Click to view.
Question and answer
Q: Solve the equation. 3a+b=10 & 2a+4b=0
A: 3a + b = 10 2a + 4b = 0 (3a + b = 10) * (4): 12a + 4b = 40 (2a + 4b = 0) - (12a + 4b = 40): -10a = -40 a = -40/-10 a = 4 3(4) + b = 10 12 + b = 10 b = 10 - 12 b = -2 Solution set: (4, -2)
Get an answer
Original conversation
User: Solve the equation. 3a+b=10 & 2a+4b=0

Weegy: 1. b=-3 a+10 2. a=-2 b
Expert answered|allybee|Points 8690|

Question
Asked 7/14/2012 1:18:25 PM
Updated 6/19/2015 6:03:58 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by Andrew. [6/19/2015 6:03:58 AM]
New answers
Rating
3
3a + b = 10
2a + 4b = 0

(3a + b = 10) * (4):
12a + 4b = 40

(2a + 4b = 0) - (12a + 4b = 40):
-10a = -40
a = -40/-10
a = 4
3(4) + b = 10
12 + b = 10
b = 10 - 12
b = -2

Solution set: (4, -2)
Added 6/19/2015 6:03:55 AM
This answer has been confirmed as correct and helpful.
Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
27,011,782 questions answered
*
Get answers from Weegy and a team of really smart lives experts.
S
L
Points 254 [Total 272] Ratings 0 Comments 184 Invitations 7 Offline
S
L
R
Points 135 [Total 286] Ratings 1 Comments 5 Invitations 12 Offline
S
L
Points 130 [Total 130] Ratings 0 Comments 130 Invitations 0 Offline
S
R
L
R
P
R
P
R
Points 66 [Total 734] Ratings 0 Comments 6 Invitations 6 Offline
S
1
L
L
P
R
P
L
P
P
R
P
R
P
R
P
P
Points 62 [Total 13329] Ratings 0 Comments 62 Invitations 0 Offline
S
L
1
R
Points 34 [Total 1450] Ratings 2 Comments 14 Invitations 0 Offline
S
L
Points 10 [Total 187] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 10 [Total 13] Ratings 0 Comments 10 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.