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8090 [49]
3 years ago
10

Solve for x, y and z 3x – 3y + 5z = 13 5x + 6y – 2z = 10 7x + 5y = 18

Mathematics
1 answer:
Bezzdna [24]3 years ago
8 0

Answer:

3x – 3y + 5z = 13

x = 13/3 + y - 5z/3

y = - 13/3 + x + 5z/3

z = 13/5 - 3x/5 + 3y/5

5x + 6y – 2z = 10

x =  2 - 6y/5 + 2z/5

y =  5/3 - 5x/6 + z/3

z = -5 + 5x/2 + 3y

7x + 5y = 18

x = 18/7 - 5y/7

y = 18/5 - 7x/5

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