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22-01-2020
Mathematics

contestada

systems of equations
15x-4y=62
5x+8y=86

Respuesta :

jimohfawwazajibola25 jimohfawwazajibola25

22-01-2020

Answer:

y = 7 and x = 6

Step-by-step explanation:

15x-4y=62 ---------------------------(i)

5x+8y=86-----------------------------(ii) X 3

15x+24y=258---------------------------(iii)

(iii)-(i)

28y = 196

y = 7

Sub. for y in (I) to get x

x = 6

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