Answers

2014-01-13T20:30:35+08:00
Y=2x+5 
3x-2y=-5

Solution;
 Substitute the first equation to the second equation,
 3x - 2(2x+5) = -5
 3x - 4x -10 = -5
 -x = -5 + 10
 -x = 5
 x =-5

y= 2x +5
 = 2(-5) + 5
 = -10+5
y = -5

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