SOLUTION: X+y=1
X-2y=4
Algebra.Com
Question 1033954: X+y=1
X-2y=4
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
(2)
------------------
Multiply both sides of (1) by
and add the equations
(1)
(2)
-------------------
and
(1)
(1)
(1)
-------------------
The solution is:
( 2, -1 )
----------------
Here's the plot:
RELATED QUESTIONS
X+y=1... (answered by Alan3354)
x + 2y = 4
y = x +... (answered by josgarithmetic)
x-2y=-4... (answered by RAY100)
x - 2y = -4
2x - y =... (answered by Fombitz)
Y=-1/2x+2... (answered by Fombitz)
2y-4=x for... (answered by nyc_function)
Solve by addition
x - 2y = -1
-x + 5 y = 4
(answered by checkley75)
X squared + y squared = 4
X - 2y =... (answered by Alan3354)