Mathematics, 05.11.2020 21:40, rockstargirl9869
3. Select all equations that can result from adding or subtracting these 2 equations:
5x+y = 12
3x - 5y = 4
a. -2x-4y=8
b. -2x+6y=8
c. 4x-4y=16
d. 4x+4y=16
e. 2x-6y=-8
f. 5x-4y=28
Answers: 3
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3. Select all equations that can result from adding or subtracting these 2 equations:
5x+y = 12
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