vaehparks2005 vaehparks2005

22-03-2021
Mathematics

contestada

solve the system of equations-6x+7y=9 and 2x-2y=-4

Respuesta :

Аноним Аноним

22-03-2021

Answer:

y = -3 and x = -5

Step-by-step explanation:

Hi,

-6x + 7y = 9

2x - 2y = -4

Multiply the bottm equation by 3...

-6x + 7y = 9

6x - 6y = -12

Add...

y = -3

Now...

2x - 2 (-3) = -4

2x + 6 = -4

2x = -10

x = -5

Answer...

y = -3 and x = -5

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