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

User Adaephon
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1 Answer

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Answer:

A


x = 1 \\ y = 2

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

User Chancea
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