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Solve: system of equations x + y = 5, 2x - 2y = 2 — Detailed Solution | AhaStep

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📐 MathLevel 2 — 🟢 Basicsystem_2var👁 21 views⏱ 2 min read

Solve: system of equations x + y = 5, 2x - 2y = 2

📝 Problem

system of equations x + y = 5, 2x - 2y = 2

✨Detailed Solution

1

1. 🔍 Hệ phương trình — Nhận dạng: Chúng ta có hệ 2 phương trình, 2 ẩn:

2

1x + 1y$ = 5$

3

2x + -2y$ = 2$

4

🤔 Tại sao là hệ? Vì có 2 ẩn (x, y) và 2 PT — cần cả 2 để tìm nghiệm duy nhất.

🔒 15 steps remaining

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