Solving systems of equations by elimination

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Solve by elimination:
4x+9y=28
-4x-y=-28
Back
(7,0)
2.
FLASHCARD QUESTION
Front
Solve by elimination:
3x+7y=23
-3x-7y=-17
Back
No solution
3.
FLASHCARD QUESTION
Front
Solve by elimination:
-9x-4y=-20
5x+4y=4
Back
(4,-4)
4.
FLASHCARD QUESTION
Front
Solve by elimination:
7x+y=-9
-3x-y=5
Back
(-1,-2)
5.
FLASHCARD QUESTION
Front
Solve by elimination:
-x+2y=17
2x+2y=-10
Back
(-9,4)
6.
FLASHCARD QUESTION
Front
Solve using Elimination.
4x + 8y = 20
-4x + 2y = -30
Back
(7,-1)
7.
FLASHCARD QUESTION
Front
4x + 8y = 20
-4x + 2y = -30
Which variable will be eliminated?
Back
The x
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