demitripere demitripere 16-12-2020 Mathematics contestada When using substitution to solve this system of equations, what is the result of the first step? x = 6 y + 3 x + 2 y = 5 A. x + 2 ( 6 x + 3 ) = 5 C. 6 y + 3 + 2 y = 5 B. x + 2 ( 6 y + 3 ) = 5 D. 6 x + 3 + 2 x = 5