Question 44363
MULTIPLY UQ. #1 BY 7 & EQ. #2 BY 2 WE GET

28P-14Q=112
10P+14Q=2   NOW ADD THESE TWO EQ.
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38P=114 OR P=114/38 OR P=3 THEN 4*3-2Q=16 OR 12-2Q=16 OR -2Q=4 OR Q=4/-2 OR 
Q=-2