Answer:
y & x = 2, but since you only need y, y=2
Explanation:
15 x 2 = 30
5 x 2 = 10
30 - 10 = 20
15x - 10 = 20
15x = 20 + 10
15x = 30 (divide both sides by 15 to get x)
15x/15 = 30/15
x = 2
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