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Mnenie [13.5K]
3 years ago
7

Please help me with substitution! I'm terrible at it. :( -3x+5y=-11 y=2x-5

Mathematics
1 answer:
OLEGan [10]3 years ago
7 0
-3x+ 5* 2x-5= -11
 -3x+10x-5=-11
(-3x=10x=7)
7x-5=-6
(+5 on each end)
7x=-6
divide by 7

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