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Semmy [17]
3 years ago
5

Solve each system by ELIMINATION 1) -5x-Y=21 - 4x Y=6

Mathematics
1 answer:
sesenic [268]3 years ago
5 0
-5x-Y + -4x + Y = -9x
21 +6= 27
-9x = 27
x= -3
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