Question 541047: fined the values of x and y if: (enter the value of x for the first blank and the value of y for the second blank)
x+y=-4
4x-y=-6 Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! x + y = -4
4x -y = -6
------------- add
5x = -10
x = -2
.
substitute x=-2 to find y
.
-2 +y = -4
y = -2
.
substitute both these values in the second equation to make sure this is the correct answer
4(-2) -(-2) = -6 ??
-8 + 2 = -6
Correct.
.
x = -2, y = -2, which also can be shown as an ordered pair (-2,-2).
,
In the following graph,
the red line is x+y = -4
the green line is 4x -y = -6
.