supanick14 supanick14

09-03-2019
Mathematics

contestada

X-y= 0

X+y=-2

Find the solution of the equation

1.(-3,-3)2.(-1,-1)3.(5,-3)4.no solution

Respuesta :

anonymous9145 anonymous9145

09-03-2019

x + y = -2
x = -2-y

x-y=0
-2-y - y = 0
-2 -2y = 0
-2y = 2
y = -1

x + y = -2
x - 1 = -2
x = -1

Therefore, the coordinates are (-1, -1).

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