Question 60903
SET X=0 AND SOLVE 0-Y=-5  
SET Y=0 AND SOLVE X-0=-5 
PLOT THESE TWO POINTS AND DRAW A LINE THROUGH THEM  (-5,-5)
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SOLVE THE SECOND EQUATION THE SAME WAY
X+0=3
X=3
0+Y=3
Y=3 PLOT THESE TWO POINTS AND DRAWA LINE THROUGH THEM (3,3)
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WHERE THESE TWOLINE INTERSECT IA THE SOLUTION (4,-1)