Question 102218
X+Y+Z=244
X=Y+20
Y+Z=X+60 OR X-Y-Z=-60
X+Y+Z=244
X-Y-Z=-60 NOW ADD THESE 2 EQUATIONS
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2X=184
X=184/2
X=92 ANSWER FOR THE FIRST TEST. 
92=Y+20
Y=92-20
Y=72 ANSWER FOR THE SECOND TEST.
92+72+Z=244
164+Z=244
Z=244-164
Z=80 ANSWER FOR THE THIRD TEST.