trinityclack916 trinityclack916

12-01-2018
Mathematics

contestada

solve the system of equations using substitution 4x+y=23 y=x+8

Respuesta :

AlbertThomas AlbertThomas

11-01-2019

4x + y = 23 and y = x + 8 means

4x + (x + 8) = 5x + 8 = 23 so
5x = 15 and x = 3

y = x + 8 = 3 + 8 = 11

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