A) 12× + 4y = 247× - 3y = - 2B)2× + y = 10× - 3y = 2C)7× - 4y = 21 - 2× + 5y = - 6D)4x - 5y - 4 = 0 - 3× + 8y = - 3E)2× + 3y = - 24× - y = 10Por favor ayudenme es sistema de ecuaciones de metodo de su?

Sistema de ecuaciones(los resolvere por metodo de eliminacion) : A) 12× + 4y = 24 7× - 3y = - 2 I) (3)12x + 4y = 24 II) 36x + 12y = 72 III) 12x + 4y = 24 (4)7x - 3y = - 2 28x - 12y = - 8 12(1) + 4y = 24 64x = 64 12 + 4y = 24 x = 64 / 64 4y = 24 - 12 x = 1 y = 12 / 4 = y = 3B) 2× + y = 10 × - 3y = 2I) 2x + y = 10 II) 2x + y = 10 III) x - 3y = 2( - 2)x - 3y = 2 - 2x + 6y = - 4 x - 3<img src="https://tex.z-dn.net/?f=%28%5Cfrac%7B6%7D%7B7%7D%20%29" /> = 2 7y = 6 x<img src="https://tex.z-dn.net/?f=-%5Cfrac%7B18%7D%7B7%7D" /> = 2 y = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B6%7D%7B7%7D" /> x = 2 + <img src="https://tex.z-dn.net/?f=%5Cfrac%7B18%7D%7B7%7D" /> x = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B1%7D%20%287%29" /> + <img src="https://tex.z-dn.net/?f=%5Cfrac%7B18%7D%7B7%7D" /> x = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B32%7D%7B7%7D" />C) 7× - 4y = 21 - 2× + 5y = - 6I) (5)7x - 4y = 21 II) 35x - 20y = 105 III) 7x - 4y = 21 (4) - 2x + 5y = - 6 - 8x + 20y = - 24 7(3) - 4y = 21 27x = 81 21 - 4y = 21 x = 81 / 27 - 4y = 21 - 21 x = 3 - 4y = 0 y = 0 / - 4 y = 0D) 4x - 5y - 4 = 0 - 3× + 8y = - 3I) 4x - 5y = 4 II) (3)4x - 5y = 4 III) 12x - 15y = 12 IIII) 4x - 5y = 4 - 3x + 8y = - 3 (4) - 3x + 8y = - 3 - 12x + 32 = - 12 4x - 5(0) = 4 17y = 0 4x - 0 = 4 y = 0 / 17 x = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%2B0%7D%7B4%7D" /> y = 0 x = 4 / 4 x = 1E)2× + 3y = - 2 4× - y = 10I) 2× + 3y = - 2 II) 2x + 3y = - 2 III) 2x + 3y = - 2 (3)4× - y = 10 12x - 3y = 30 2(2) + 3y = - 2 14x = 28 4 + 3y = - 2 x = 28 / 14 3y = - 2 - 4 x = 2 3y = - 6 y = - 6 / 3 y = - 2.