SOLUTION: Solve the system by addition
2x-4y=7
4x+2y=9
Algebra.Com
Question 44575: Solve the system by addition
2x-4y=7
4x+2y=9
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
2x-4y=7......................I
4x+2y=9.................II
EQN.I+EQN.II*2
2X-4Y+8X+4Y=7+18=25
10X=25
X=25/10=2.5
4*2.5+2Y=9
2Y=9-10=-1
Y=-1/2=-0.5
RELATED QUESTIONS
Solve the system by addition
2x-4y=7
4x+2y=9
Please help... (answered by checkley75)
Solve the system by addition
2x-4y=7... (answered by BGluvsmath)
Solve the system by addition.
2x – 4y = 7
4x + 2y = 9
(answered by bucky,Edwin McCravy)
Solve the system by addition.
2x – 4y = 7
4x + 2y = 9
(answered by jim_thompson5910)
Solve the system by addition.
2x – 4y = 7
4x + 2y = 9
(answered by jim_thompson5910)
Solve the system by addition.
2x – 4y = 7
4x + 2y = 9
(answered by jim_thompson5910)
How would solve this system by addition?
2x - 4y = 7
4x - 2y =... (answered by MathLover1,checkley71,solver91311)
Solve the system by addition.
2x - 4y = 7
4x + 2y =... (answered by jim_thompson5910)
Solve the system by addition.
2x – 4y = 7
4x + 2y = –1
(answered by checkley71,jim_thompson5910)