halfdozenflowers4 halfdozenflowers4

17-04-2020
Mathematics

contestada

5x−7y=58
y=−x+2

x=
y=

Respuesta :

Katieg3593 Katieg3593

17-04-2020

Answer:

x=6 y=-4

Step-by-step explanation:

5x−7y=58 y=−x+2

plug equation 2 into the 1st one

5x-7(-x+2)=58

5x+7x-14=58

12x=72

x=6

plug this back into either equation and solve for y

y=-(6)+2

y=-4

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