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Identify the solution(s) of the system of equations, if any.

x + 5y = 6
6x - 15y = 18

1 answer

multiply first equation by 6

6 x + 30 y = 36
6 x - 15 y = 18
--------------- subtract
45 y = 18
y = 18/45 = 6/15

x = 6 - 5 y
x = 6 - 2
x = 4

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