Verified answer

у = - 4х + m

- 10 = - 4 * 2 + m

-8 + m = - 10

m = 8 - 10

m = - 2

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у = kx + 17

30 = k * (-3) + 17

-3k + 17 = 30

-3k = 30 - 17

-3k = 13

k = 13 : (-3)

k = - 4 1/3

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