myannstone myannstone

25-10-2021
Mathematics

contestada

solve the system using the elimination method.
3x - 7y = -18
4x - 2y = -24

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crimsonorchid crimsonorchid

25-10-2021

3x-7y=-18
4x-2y=-24
——————
12x-28y=-72
12x-6y=-72
——————-
12x-28y=-72
-12x+6y=72
——————-
-23y=0
y=0
——————-
3x-0=-18
3x=-18
x=-6
——————-
COORDINATES: (-6, 0)

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