Question 215613
(1)  3x+4y = -8
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(2) -5x +y = -25,,,,,or  y= 25+5x,,,,,
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subst  in  (1),,,,3x +4(25+5x) = -8
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3x +100+20x = -8
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23x = -108
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x= -4.7,,,,,,,y=25+5(-4.7) = 1.5
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check,,,(1) 3(-4.7) +4(1.5) = -8 
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-14.1 +6 = -8,,,,,ok
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(2)  -5(-4.7) + 1.5 = -25,,,ok
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