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Mathematics, 26.07.2021 16:40 edgar504xx

3x+y=2 2x-y=3

x-y=-3
x-2y=-1

4x+y=2
4x+y=-3

x+2y=3
2x+4y=6

3x-2y+7
2x+3y+9

please help me

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3x+y=2 2x-y=3

x-y=-3
x-2y=-1

4x+y=2
4x+y=-3

x+2y=3<...

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