x y 13x y 0x 7y 5Solutionx y 13x y 0x 7y 5 xy5 1

x + y = 13x ? y = 0x ? 7y = ?5

Solution

x + y = 13x ? y = 0x ? 7y = ?5

x+y=-5

13x-y=-5

0x-7y=-5

y=5/7

13x-5/7=-5

13x=-5+5/7

13x=(-35+5)/7

13x=30/7

x=30/(7*13)

x=30/91

x + y = 13x ? y = 0x ? 7y = ?5Solutionx + y = 13x ? y = 0x ? 7y = ?5 x+y=-5 13x-y=-5 0x-7y=-5 y=5/7 13x-5/7=-5 13x=-5+5/7 13x=(-35+5)/7 13x=30/7 x=30/(7*13) x=3

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