Question

3x - 4y = 6
6x - 8y = 10 ;[

Answer 1

3rd problem

3x = 6 + 4y

x = (6 +4y) / 3

replace this x in the 2nd equation

6 [ (6+4y) / 3 ] - 8y = 10

2(6+4y) - 8y = 10

12 + 8y -8y = 10

Answer 2

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