3 years ago

Translate the expression 5x - 7.

1 answer:

7 0

Answer: the difference of five times a number and 7

There are two operations in the expression 5x - 7, a multiplication (of x by 5) and a subtraction (7 from 5x).

The PEMDAS order of operations says the multiplication is done before subtraction.

The first answer choice would look like 5(x - 7).
The third answer choice would look like (x - 7) + 5.

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