Question 204971
2x -5y = -12
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if  x= -1,,,,,y= ?
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2(-1) -5y = -12
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-2 -5y = -12
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-5y = -10
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y=2,,,,,,,,(-1,2) satisfies  eqn
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check,,2(-1) -5(2) = -2 -10 =-12 ,,,,,,ok
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