Posted by **DANIELLE** on Thursday, December 21, 2006 at 10:14am.

Solve by either the substitution method or the addition or subtraction method

2m=n-3

3m=2n-9

Just replace n with (2m + 3) in the second equation. Then solve for m. Once you know the value of m, use either of your equations, such as n = 2m+3, to get n.

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