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4x + 2y = 12

3x - 2y = 9 Have to use simultaneous equations, so add together to get :

7x = 21

so x = 3 Put it into any part of the equation

4x3 + 2y = 12

12 + 2y = 12

2y = 0

y = 0, x = 3

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โˆ™ 2010-02-18 23:09:01
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Q: Answer for 4x plus 2y equals 12 3x-2y equals 9?
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