Directions state to use one or more properties to rewrite the expression as an expression that does not use parentheses. another question example is (a+5) + 23
7.(y.3) use one or more properties to rewrite without parentheses
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if you're trying to rewrite 7*(y*3), then you just multiply 7 by 3y and you would get 21y
7*(y*3) = 7*(3*y) = (7*3)*y = 21y