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kotykmax [81]
3 years ago
13

What is the solution to {4x - y = 8 {6x + y = 2

Mathematics
1 answer:
12345 [234]3 years ago
7 0

4x - y = 8 \\  + 6x + y = 2 \\  =  =  =  =  =  =  =  =  \\ 10x = 10 \\ 10 \div 10 = 1 \\ x = 1 \\  \\  \\ 6x + y = 2 \\ 6(1) + y = 2 \\ 6 + y = 2 \\y = 2 - 6 \\ y = -  4 \\  \\  \\  \\ check \\  \\ 6x + y = 2 \\ 6(1) + y( - 4) = 2 \\ 6 - 4 = 2 \\ 2 = 2
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