10 with two inte

Which two lines

are parallel?

a) 2x + 5y = 6 and 5x + 2y = 10

b) 3x + 4y = 12 and 6x + 8y = 12

2x + 5y=6 and - 2x + 5y = 14

d) 3x + 4y = 12 and 6x - 8y = 20

go to station 9

go to station 7

go to station 4

go to station 8

How do i use gcf with this problem?

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