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You are HERE >> Mathematics > Algebra > Grade 9

Algebra Lesson 2  Answer Key


Question    Answer
1..  21 + 5 = x
       26 = x
2..  4x
.
3.. (21 + 5 = Al's age now)
(21 + 5) + 5 = x (Al's age in 5 years)
.
4..  $47.50 / 10 = y
 $4.75 = y
.
5..  (47.50 / 10 ) + $ 1 = x
            $4.75 + $ 1 = x
                     $5.75 = x

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