Beth is solving a system by elimination. Her work is shown below. What error did she make?

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Beth is solving a system by elimination.  Her work is shown below.  What error did she make?

 

4x - 6y = 1------------> 20x - 30y = 5

3x + 5y = -8----------> 18x + 30y = -8

 

  • 11 years ago
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Beth is solving a system by elimination. Her work is shown below. What error did she make?
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