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Solve the system of equations: y = 2x x + y = 9 1. (6, 3) 2. (-3, -6) 3. no solution 4. (3, 6)​
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15 votes
Solve the system of equations:


y = 2x

x + y = 9
1. (6, 3)
2. (-3, -6)
3. no solution
4. (3, 6)​

User German Saprykin
by
3.8k points

2 Answers

6 votes
The answer is y= 3 (:
User Gemini
by
4.1k points
8 votes

Answer:


x + y = 9 \\ x + 2x = 9 \\ 3x = 9 \\ x = (9)/(3) \\ x = 3

User Tony Arra
by
5.2k points
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