Here is a picture of a math problem.

Y = 3x-5
(3, ) - your x is 3 in that case, y = 3*3-5 = 4 - answer (3,4)
(4, ) - your x is 4, y = 4*3-5 = 7 - answer (4,7)
( ,10) - your y is 10:
10 = 3x - 5
3x = 15
x = 5 - answer (5, 10)

Solution pairs - (3, 4); (4, 7); (5, 10)

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