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If R is the midpoint of QS , QR = 5x-3 and RS = 21-x whatis QS.
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If R is the midpoint of QS , QR = 5x-3 and RS = 21-x whatis QS.

User Marsman
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1 Answer

6 votes

Explanation:

QS=QR+RS

=5x-3+21-x

=5x-x-3+21

=4x+18

User Eisenhorn
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