Solve each system by elimination 10) -4x+9y=9 x-3y=-6

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asked Nov 23, 2019 157k views

1 Answer

Rick Riensche · Answer 1 · 2019-11-29T04:02:45+0000

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

Solve each system by elimination 10) -4x+9y=9 x-3y=-6

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