Answer:
135 divided by 45 = 3 :)
Step-by-step explanation:
4..............21...........
y = 39
550 x = x 11 + y
550 x = x 11 x 11 + y
550 x x = 11 x 11 + y
550 = 11 x 11 + y
= x 11 + y
50 = 11 + y
50 - 11 = y
39 = y
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