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25. Save the simultaneous equations 2x-y=4;x+y=5​

1 Answer

2 votes

Answer:

x = 3

Explanation:

2x - y = 4

x + y = 5

y = 5 - x

2x - (5 - x) = 4

2x + x - 5 = 4

3x = 9

x = 3

User Owen Nelson
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