SOLUTION: Find the two coordinates of the intersection of the following two lines: x+2y=5 and 2x+3y=2
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Question 400406
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Find the two coordinates of the intersection of the following two lines:
x+2y=5 and 2x+3y=2
Answer by
robertb(5830)
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From the 1st equation, x = 5 - 2y. Substitute for x into the 2nd equation:
2(5 - 2y) + 3y = 2
==> 10 - 4y + 3y = 2
==> 8 - y = 0
==> y = 8.
==> x = 5 - 2*8 = 5 - 16 = -11.