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3 years ago

6

3x -4y = 13 y = -3x-7

1 answer:

Yuki888 [10]3 years ago

8 0

Step-by-step explanation:

3x-4y=13

y=-3x-7

3x-4(-3x-7)=13

3x+12x+28=13

15x=-15

x= -1

y= -3x-7 = 3-7= -4

( -1, -4)

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