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Inessa05 [86]
3 years ago
12

The sum of three numbers is 79. The sum of five times the first number and two times the

Mathematics
1 answer:
stepan [7]3 years ago
3 0

Answer:

(x+y+z)=79

5x+2y+z=859

2x+3y+9z=498

Step-by-step explanation:

Its writing 3 different equations that have the same value for the same variable.

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