3 years ago

-7x+2y=18;6x+6y=0 in elimination form

Mathematics

1 answer:

AlexFokin [52]3 years ago

4 0

Step-by-step explanation:

-7x + 2y = 18

6x + 6y = 0

21x - 6y = - 54

6x + 6y = 0

27x = -54

x = -2

6(-2) + 6y = 0

-12 + 6y = 0

6y = 12

y = 2

(-2,2)

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