Question

How do i rewrite 21+42÷7×3 with a set of parentheses to equal 3​

Answer 1

(21 + 42) / (7 x 3)

Explanation:

Using PEMDAS work on the first parentheses. 21 plus 42 equals 63. 7 times 3 equals 21. Now you have 63 divided by 21, which equals 3.

(21 + 42) / (7 x 3)

63 / (7 x 3)

63 / 21

3