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Solve graphically the set of equations: 2x+3y = 6,  2x+y = -2  

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wikkibahi | Student, Undergraduate | (Level 3) eNoter

Posted August 1, 2012 at 5:20 AM via web

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Solve graphically the set of equations: 2x+3y = 6,  2x+y = -2

 

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted August 1, 2012 at 6:09 AM (Answer #1)

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The system of equations 2x + 3y = 6 and 2x + y = -2 has to be solved graphically. The two equations represents a set of straight lines. The coordinates of their point of intersection is the required solution.

It is seen that the lines intersect at the point (-3, 4)

The solution of the set of equations is x = -3 and y = 4

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Wiggin42 | Student, Grade 11 | (Level 2) Valedictorian

Posted July 10, 2014 at 12:37 AM (Answer #2)

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Lets use the method of elimination.
   2x + 3y = 6
-- 2x + y = -2
-------------------
2y = 8
y = 4

2x + 4 = -2
2x = -6
x = -3

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