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-3x - 3y = -30 -2x + 7y = -2 (This is elimination)
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-3x - 3y = -30
-2x + 7y = -2





(This is elimination)

User Kitet
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Answer:

Explanation:

-3x - 3y = -30

-2x + 7y = -2

-3x - 3y = -30 /*(-2)

-2x + 7y = -2 /*3

6x + 6y = 60

-6x + 21y = -6

6x - 6x + 6y + 21y = 60 - 6

27y = 54

y = 2

-3x - 3y = -30

-3x - 3*2 = -30

-3x - 6 = -30

-3x = -30 + 6

-3x = - 24 / : (-3)

x = 8

User Amir Azizkhani
by
4.9k points
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