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SOLUTION: how do i solve the system by graphing. x – y = 5 x + y = 3
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Question 60903
:
how do i solve the system by graphing.
x – y = 5
x + y = 3
Answer by
checkley71(8403)
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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)