SOLUTION: Suppose 5x + 2y = -4 and x - 3y = 5. Find x-y

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Question 305936: Suppose 5x + 2y = -4 and x - 3y = 5. Find x-y
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.5x%2B2y=-4
2.x-3y=5
From eq. 2,
x-3y=5
x=5%2B3y
5%285%2B3y%29%2B2y=-4
25%2B15y%2B2y=-4
17y=-29
y=-29%2F17
From eq. 2 above,
x=5%2B3y
x-y=5%2B3y-y=5%2B2y
x-y=5%2B2%28-29%2F17%29
x-y=85%2F17-58%2F17
x-y=27%2F17