01-05-2020
Mathematics

contestada

2x + 5y = 25
y = 3x + 22

Respuesta :

sarah006 sarah006

01-05-2020

Answer:

x = - 5

Step-by-step explanation:

2x + 5y = 25

Replace y by the equation given

2x + 5 (3x + 22) = 25

Solve.

2x + 15x + 110 = 25

17x + 110 = 25

17x + 110 - 110 = 25 - 110

17x = - 85

17x / 17x = - 85 / 17

= - 5

x = - 5

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