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Bingel [31]
3 years ago
6

Solve this system of equations: 5x + y = 7 20x + 2 = y

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
7 0

Answer:

x = 1/5, y = 6

Step-by-step explanation:

5x + y = 7

y = 7 - 5x

Set equations equal to each other to eliminate y

7 - 5x = 20x + 2

7 = 25x + 2

5 = 25x

x = 1/5

y = 7 - 5(1/5)

y = 7 - 1

y = 6

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