Aishashaza4 Aishashaza4

22-12-2020
Mathematics

contestada

Solve this system of equations:

5x + y = 7
20x + 2 = y

Respuesta :

Boring5575 Boring5575

22-12-2020

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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