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-20x - 10y = 2010x + 5y = -10
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-20x - 10y = 2010x + 5y = -10

User Magnetron
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We have here a system of linear equations. In this case, to find the solutions for this system, we can start by multiplying by 2 the second equation:

-20x - 10y = 2010x + 5y = -10-example-1
User Jremi
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