sakura-mau
sakura-mau
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youtube XD
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youtube XD
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youtube XD
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youtube XD
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a) x=-2y+5 2(-2y+5)-3y=-4 -4y+10-3y=-4 -7y=-14 y=2 x=1 b) x=-3y+9 2(-3y+9)-3y=9 -6y+18-3y=9 -9y=-9 y=1 c)x=-2y+7 13(-2y+7)+26y=9 -26y+91+26y=9 y=-89
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a) x=-2y+5 2(-2y+5)-3y=-4 -4y+10-3y=-4 -7y=-14 y=2 x=1 b) x=-3y+9 2(-3y+9)-3y=9 -6y+18-3y=9 -9y=-9 y=1 c)x=-2y+7 13(-2y+7)+26y=9 -26y+91+26y=9 y=-89
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youtube XD
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youtube XD