consider the following equation 4 (3+5) = 12 + 20 this i an application of which property of operations

This is an application of the distributive property of operations.

consider the following equation 4 + 3 + 5 = 5 + 3 + 4

This is an application of the commutative property of addition.

which property of operations is signified by the movement of parentheses

The property of operations signified by the movement of parentheses is the associative property.

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