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(Solved): second photobshows where i stopped i dont know what to do after ive substituded x'1 - Use substituti ...



second photobshows where i stopped i dont know what to do after ive substituded x'1

- Use substitution to find the general solution of the system
x? = 3x? +7x2,
x2 = 3x1 - 1x?.
x ²? = 3x? + 72?
3x1
x²2
B
122
Start with second equation:
3x²? - x ²?
2
= 3 (3x? + 7%?) - x^2
- Use substitution to find the general solution of the system x? = 3x? +7x2, x2 = 3x1 - 1x?. x ²? = 3x? + 72? 3x1 x²2 B 122 Start with second equation: 3x²? - x ²? 2 = 3 (3x? + 7%?) - x^2


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