9/y = x/8 = 5/20 alguém sabe?
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9 = x = 5
y 8 20
9 = 2 = 5
36 8 20
======================
x = 5 (:5)
8 20 (:5)
x = 1
8 4
4x = 8
x = 8/4
x = 2
==========================
9 = 5 (:5)
y 20 (:5)
9 = 1
y 4
9.4 = y
36 = y
y = 36
y 8 20
9 = 2 = 5
36 8 20
======================
x = 5 (:5)
8 20 (:5)
x = 1
8 4
4x = 8
x = 8/4
x = 2
==========================
9 = 5 (:5)
y 20 (:5)
9 = 1
y 4
9.4 = y
36 = y
y = 36
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