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OpenStudy (anonymous):
solve: -5y+3x=-16 10y+4x=62
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OpenStudy (cwrw238):
multiply ist equn. by 2 -10y+6x = -32 10y + 4x = 62 add: 10x = 30 x=3 plug this into ist equn.: -5y + 9 = -16 -5y = -25 y = 5 x=3,y=5
OpenStudy (anonymous):
how did u get 30?
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