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The expression 7q is the same thing as
7 + q
7 x q
7 - q
In the equation -4y + 7x = 21, the coefficient of y is...
Oscar bought n ride tickets at the carnival. Esther bought 4 times as many ride tickets as Oscar. Which expression represents the total number of ride tickets that Oscar and Esther bought?
Which expression represents “9 less than the product of 5 and a number n”?