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Find a solution to the following system of equations -3x+3y=-9 -3x+y=7
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Sep 21, 2018
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Find a solution to the following system of equations -3x+3y=-9 -3x+y=7
Mathematics
high-school
Frangio
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(-3x+3y=-9)-(-3x+y=7)
-3x+3x+3y-y=-9-7
2y=-16
y=-8, making -3x+3y=-9 become:
-3x+3(-8)=-9
-3x-24=-9
-3x=15
x=-5
So the solution to this system of equations is the point (-5, -8)
Shantesh
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Sep 25, 2018
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Shantesh
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