nicoIenicky1130 nicoIenicky1130

24-02-2021
Mathematics

contestada

бх-5у = 22
5х-7y = 24

Respuesta :

24-02-2021

Answer:

x = 2

y = -2

Step-by-step explanation:

-5(6x - 5y = 22)

6(5x - 7y = 24)

Solve for y

-30x + 25y = -110

30x - 42y = 144

-17y = 34

y = -2

solve for x

plug into first equation

6x -5(-2) = 22

6x = 22 - 10

6x = 12

x = 2

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