Mathematics, 23.03.2021 16:10, f1a4n6ny

Solve the following systems of equations below 1.y=x+7, y=-1/2x+4
2.y=-1/5x-3,y=x+3
3. y=-1/2x+3,3x-2y=10
4. y=-x+5,2x-y=7
Determine if the following has no solutions, infinitely many solutions, or exactly one solution below.
1.6x+y=-5,30x+5y=-20
2. x+y=5, -5x-4y=-18
3. x+y=3, -x-y=-3

Answers: 3

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Solve the following systems of equations below 1.y=x+7, y=-1/2x+4
2.y=-1/5x-3,y=x+3
3....