Answers

2014-12-10T21:44:54+08:00
3x + y > 9

Solution Y
3x + y = 9
3(0) + y = 9
y = 9

Solution X
3x + 0 = 9
3x = 9
3x divided by 3=9 divided by 3
x = 3

Check
3(3) + 9 > 9
9 + 9 > 9
18 > 9 
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