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y=3x+2

y-4x=9

These are examples of linear equations which is a first degree algebraic expression with one, two or more variables equated to a constant.

So x=2 is a linear equation as is y=1 but x2 =1 is not since the variable, x , has degree 2.

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โˆ™ 2009-10-08 19:02:33
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