SOLUTION: when it says what is the soulution of the system? use elimination. how would i do this 3x+9y=33 over -10x-6y=-14

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Question 310444: when it says what is the soulution of the system? use elimination. how would i do this 3x+9y=33 over -10x-6y=-14
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify both equations first,
3x%2B9y=33
1.x%2B3y=11
.
.
-10x-6y=-14
2.-5x-3y=7
Add them together to eliminate y.
x%2B3y-5x-3y=11%2B7
-4x=18
highlight%28+x=-9%2F2+%29+
Then use either equation to solve for y.
x%2B3y=11
-9%2F2%2B3y=11
3y=22%2F2%2B9%2F2
3y=31%2F2
highlight%28y=31%2F6%29+