SOLUTION: Solve the system of equations. (If the system is dependent, enter a general solution in terms of c. If there is no solution, enter NO SOLUTION.) 2x + y − z = −9 3x

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Question 922079: Solve the system of equations. (If the system is dependent, enter a general solution in terms of c. If there is no solution, enter NO SOLUTION.)
2x + y − z = −9
3x + 2y + 3z = 25
7x + 4y + z = 7
(x, y, z) =

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
-4(2x + y -z =-9)
7x + 4y + z = 7

.........
-2(2x + y - z = -9)**
3x + 2y + 3z = 25
**
........
-(-x + 5z = 43)
-x + 5z = 43
0 = 0 Dependent System, INfinite Solutions
............
Let z = c , and ,
(5c - 43, -9c +77, c) are the solutions in terms of c


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