Mathematics, 18.08.2019 16:30, ArmyAllen00

3x + y = 19 , and x + 3y = 1.
find the value of 2x + 2y
can anyone explain this one for me?

Answers: 1

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3x + y = 19 , and x + 3y = 1.
find the value of 2x + 2y
can anyone explain this one for...