The equations x - y= 2 x - 2y= -2 x+y= 2 x+2y= -2 are shown on the garph below

which system of equations has a solution of approximately (0.7, -1.4) ?

a. x-y= 2 and x+2y= -2
b. x-2y= -2 and x+y= 2
c. x-y= 2and x-2y= -2
d. x+y=2 and x+2y= -2

for finding the midpoint of any given 2 pair of points simply add the respective x coordinates with other x coordinate and the y coordinate with other y coordinate and divide them by 2

in your question it will be :

(3+1)/2 for the x coordinate of mid point i.e 2

[8+(-4)]/2 for the y coordinate of midpoint i.e 2

so coordinates of mid point of points (3,8) and (1,-4) will be (2,2)

236 cm 16 time 12 = 192

6 times 7 = 42

192+42

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