1) x*5=5*x; 2) x:5=5:x.

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The statements are equivalent.

1) Multiplying by 5 is the same as multiplying by x, because any number multiplied by 1 is the same number.

2) Dividing by 5 is the same as dividing by x, because any number divided by 1 is the same number.

Therefore, both statements mean that x is equal to 5.