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23-01-2021
Mathematics

contestada

solve using elimination 10x - 9y = -8 and 2x - 8y = -14

Respuesta :

emt2022 emt2022

23-01-2021

Answer:

x = 1, y = 2

Step-by-step explanation:

Multiply 2x - 8y = -14 by 5 to get 10x - 40y = -70

Subtract (10x - 40y = -70) - (10x - 9y = -8)

Solve -31y = -62 for y

y = 2

Plug in y value to get x value

x = 1

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