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

Question

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

Answer 1

Ответ:

a)(-3;2)

b)(1;4)

c)(5;5)

d)(1;0)

e)

Объяснение:

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