157k views
0 votes
Solve each system by elimination
10) -4x+9y=9
x-3y=-6

User Lynch
by
5.7k points

1 Answer

4 votes
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
User Rick Riensche
by
6.2k points