Select all of the following pairs of expressions that are equivalent.7 + 4k; 4h + 79(2m + 3); 27 + 18mp − q; q − p2(2m − 6 + 8z ); 16z + 4m − 12
Question
Select all of the following pairs of expressions that are equivalent.7 + 4k; 4h + 79(2m + 3); 27 + 18mp − q; q − p2(2m − 6 + 8z ); 16z + 4m − 12
Solution
The pairs of expressions that are equivalent are:
9(2m + 3) and 18m + 27
2(2m − 6 + 8z) and 16z + 4m − 12
The other expressions are not equivalent to each other.
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