SOLUTION: 1/2x+3/5y=-1
3/4x-7/10y=13/2
solve by any method
Algebra.Com
Question 997586: 1/2x+3/5y=-1
3/4x-7/10y=13/2
solve by any method
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1/2x+3/5y=-1 times 30 --> 15x + 18y = -30
3/4x-7/10y=13/2 times 20 --> 15x - 14y = 130
----------------------
15x + 18y = -30
15x - 14y = 130
--------------------- Subtract
32y = -160
etc
RELATED QUESTIONS
solve by any method.
1.
7x+3y+2=3+7y+6x+11
2.... (answered by checkley77)
solve each system by any method
1 x-3y=1
3x-5y=-5
2 2x-3y=5... (answered by jim_thompson5910)
solve using the addition method.
#1
x-y=6
3x+y=-2
#2
3x-4y=7
x+4y=5
(answered by NinangS)
Sir i need u help at the earliest .
1. Solve by elimination method:-
4x+5y=6
2/3x-5y=7
(answered by solver91311)
4x-2/5y=-6... (answered by checkley77)
solve each system by the elimination method
1)3x+2y=10
2x+y=7
2)3x-2y=7
2x-y=8
(answered by jojo14344)
Solve the system using the substitution method. Show all your steps.
1. x+2y=6... (answered by checkley79)
Solve by elimination:
1.8x + 11y= 20
5x - 11y= -59
2. 2x + 18y= -9
4x + 18y= -27
(answered by jim_thompson5910)
1.Solve by substitution or elimination method:
3x – 2y = 26
-7x + 3y = -49... (answered by Edwin McCravy)