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14-05-2019
Mathematics

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-7x + y =-19 ,-2x +3y=-19 answer

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Аноним Аноним

14-05-2019

Answer

x = 2

y = -5

Explanation

-7x + y = -19

-2x + 3y = -19

Solve using the substitution method.

y = 7x - 19

Plug in.

-2x + 21x - 57 = -19

19x - 57 = -19

19x = 38

x = 2

Plug this into the equation to solve for y.

-14 + y = -19

y = -5

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