Решите систему: {4x-3y=7 {2x+y=1

Question

Решите систему:
{4x-3y=7
{2x+y=1

Answer 1

8 .8 8 8 8 8 88 8 8 8 88 8 8 888 8 8 88 

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Comments

В конце (1;-1)

Answer 2

{4x-3y=7
{2x+y=1l * 3

{4x-3y=7
+
{6x+3y=3
_______
10x=10
x=1. 4*1-3y=7
-3y=7-4
-3y=3
y=-1