Solve each system of linear or non-linear equations. Show all work!!
3x - 4y = 13
2x + y = 5
1 answer:
Answer: See below Explanation: 3x - 4y = 13 (1) 2x + y = 5 (2) —————— 3x - 4y = 13 4(2x + y = 5) (2) times 4 ——————- 3x - 4y = 13 8x + 4y = 20 ——————- 11x = 33 x = 33/11 x = 3 Plug x = 3 in (2): 2(3) + y = 5 6 + y = 5 y = 5-6 y = -1 Thus, x = 3 and y = -1
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