Question

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Write the following expressions in two ways, one with parentheses and one without.


A number reduced by 3, then multiplied by 2.


A number increased by 7, then multiplied by 5.


Ten times a number , then add twenty.


N.O. L.I.N.K.S

Answer 1

1. (n - 3) x 2 or n - 3 x 2

2 . (n + 7) x 5 or n + 7 x 5

3 . (10n) + 20 or 10n + 20

Explanation:

Answer 2

(X - 3)*2

(X + 7)*5

(10 * X) + 20

Explanation:

I used X as a replacement for "A number"

Hope this helped a bit