Mathematics, 02.10.2019 15:50, allyssaharrisooy50au

Amelie solves the following system of equations.
x+y=20
3x-3y+30
which values of x and y satisfy this system of equations?
x = 0, y = 20
x = 5, y = 15
x = 10, y = 0
x = 15, y = 5

Answers: 2

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Amelie solves the following system of equations.
x+y=20
3x-3y+30
which values of...