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05-01-2018
Mathematics

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A system of equations is graphed on the coordinate plain y=-2x-4 y=2x+4, what is the solution to the system of equations, enter the coordinates of the solution in the boxes (,)

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altavistard altavistard

15-01-2018

Since the slopes are different, the 2 lines intersect. Elim. y by setting
y = -2x - 4 equal to 2x + 4: -2x - 4 = 2x + 4.

Then 4x = 8, and x =2. Then y = -2(2) -4 = -8.

The solution is (2, -8).

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