A) { -x - 4y = -5
{ 2x + 7y = 8
b) {x + y = 5
{3x + y =7
c) {3x - 2y = 5
{x + 2y = 15
d) {2x - x = 2
{3x - 2y = 3
e) {6 (x + y) = 5 - (2x + y)
{3x - 2y = -3x - 3

GDIZzzEr GDIZzzEr    2   11.05.2020 10:17    0

Ответы
WiTeKHasky WiTeKHasky  14.10.2020 12:58

a)(-3;2)

b)(1;4)

c)(5;5)

d)(1;0)

e)(-\frac{11}{58} ;\frac{27}{29} )

Объяснение:


A) { -x - 4y = -5 { 2x + 7y = 8 b) {x + y = 5 {3x + y =7 c) {3x - 2y = 5 {x + 2y = 15 d) {2x - x = 2
A) { -x - 4y = -5 { 2x + 7y = 8 b) {x + y = 5 {3x + y =7 c) {3x - 2y = 5 {x + 2y = 15 d) {2x - x = 2
A) { -x - 4y = -5 { 2x + 7y = 8 b) {x + y = 5 {3x + y =7 c) {3x - 2y = 5 {x + 2y = 15 d) {2x - x = 2
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