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Solve each system by elimination 10) -4x+9y=9 x-3y=-6
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Nov 23, 2019
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Solve each system by elimination
10) -4x+9y=9
x-3y=-6
Mathematics
middle-school
Lynch
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Lynch
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Multiply the second equation by 3
-4x+9y=9
3x-9y=-18
add the equations together
-x=-9 Simplify
x=9
now plug in your x value
(9)-3y=-6 Simplify
-3y=-6-9
-3y=-15
y=5
Rick Riensche
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Nov 29, 2019
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Rick Riensche
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