Answer:
5(I think)
Explanation:
Yx4 =20
What (x) 4=20?
5x4=20
y = 5
set up an equation
y * 4 = 20
now solve using inverse operations
/4 /4
y = 20 / 4
20 / 4 =5
because
4 * 5 = 20
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