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March 28, 2015

March 28, 2015

Posted by **Andrew** on Monday, January 3, 2011 at 1:06pm.

2x + 3y = -4

x - 2y = 5

Question 1 answers

x = 1, y = -2

x = -1, y = 2

x = 1, y = 2

x = -2, y = -1

- Math -
**PsyDAG**, Tuesday, January 4, 2011 at 10:03amx = 5 + 2y

2x + 3y = -4

Substitute 5 + 2y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.

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