juliana810 juliana810

12-12-2018
Mathematics

contestada

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

Respuesta :

Summer19Lynn Summer19Lynn

14-12-2018

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

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