SOLUTION: Solve the system by addition.
2x + 4y = 3
4x – 2y = 1
A) (1/2, 1/2) B) (1/3, 1/3) C) (1/4, 1/4) D)(1/5, 1/5)
Algebra.Com
Question 92760: Solve the system by addition.
2x + 4y = 3
4x – 2y = 1
A) (1/2, 1/2) B) (1/3, 1/3) C) (1/4, 1/4) D)(1/5, 1/5)
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
multiplying the second equation by 2 and adding the result to the first equation gives (2x+4y)+2(4x-2y)=3+2(1)
2x+4y+8x-4y=3+2 ... 10x=5 ... x=1/2 ... 2(1/2)+4y=3 ... 1+4y=3 ... 4y=2 ... y=1/2 ... answer A)
RELATED QUESTIONS
2. Solve the system by substitution.
6x - 5y = 11
7x + 5y = 2
(1, -2)
(answered by solver91311)
I picked B as my answer but I am not sure...
Solve the system by addition or... (answered by jim_thompson5910)
cansomeone please help me with these graphing problems
solve and graph
-3(x – (answered by IVETTEMARTINEZ13@YAHOO.COM)
Question 3:
Solve for x:
4x + 4/2 = 3(x + 1) – 2
x =
Question 4:
Solve for (answered by rchill)
1. points are (-4,7) and (2,x) m=-1/3, find for X
2. 1/2x-3/4y=-4
1/4x+3/2y=13... (answered by lynnlo)
Solve the system by addition.
2x + 4y = 3
4x - 2y =... (answered by praseenakos@yahoo.com)
solve the system by addition 2x + 4y = 3
4x -2y =1
Thank (answered by jim_thompson5910)
Solve the system by addition.
2x + 4y = 3
4x – 2y = 1
(answered by scott8148)
CRAMER RULE, ELIMIATION OR SUBSTITUTION METHOD, AND MATRICES PRACTICE PROBLEMS
1. (answered by richard1234)