Math, asked by subhadacgosavi, 6 months ago

if 3x + 15y=19 and 15 x + 3 y = 17 the value of x+y is ______

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Answered by sakiralikarmula

1

Answer:

3x + 15y = 19

x + 15y = 19 - 3

x + y = 1

15x + 3y = 17

x + 3y = 17 - 15

x + y = -1

Answered by sandy1816

2

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