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Mathematics, 22.06.2020 20:57 aclm2001

Resolver los siguientes ejercicios por el sistema de ecuaciones por los siguientes métodos; sustitución, igualación y reducción. A) {2X + Y = 6
{3X – Y = 4

B) 2X - 3Y = 9
3X + 5Y = -15

C) {2X + Y = -1
{ 3X + 2Y = 10

D) { X – Y / 7 = 2X -1 E) { X + 4Y = 16
{ 2X – Y-8/2 = X { X – 2Y = 4

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