Question

translate this phrase into an algebraic expression.
17 decreased by twice janelle’s score
use the variable j to represent janelles score.

Explanation:

Step1: Define Janelle's score

Let $j$ = Janelle's score

Step2: Find twice the score

Twice Janelle's score: $2 \times j = 2j$

Step3: Subtract from 17

17 decreased by $2j$: $17 - 2j$

Answer:

$17 - 2j$