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agasfer [191]
3 years ago
14

A,x=-5+3y 3x+2y=7 B,x-5=2 2x+y=4

Mathematics
1 answer:
polet [3.4K]3 years ago
6 0

Answer:

A

x = 1 \\ y = 2

Step-by-step explanation:

x =  - 5 + 3y \\ 3x + 2y = 7 \\ 3( - 5 + 3y) + 2y = 7 \\  - 15 + 9y + 2y = 7 \\  - 15 + 11y = 7 \\ 11y = 7 + 15 \\ 11y = 22 \\ y = 2 \\ 3x + 2(2) = 7 \\ 3x + 4 = 7 \\ 3x = 3 \\ x = 3

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