{3x − 2y − 4 = 0 x + 5y − 7 = 0;

Question

{3x − 2y − 4 = 0 x + 5y − 7 = 0;

Answer 1

3x - 2y - 4 = 0
X + 5y - 7 = 0
Решение
Х = 7 - 5y
3( 7 - 5y ) + 5y - 7 = 0
21 - 15y + 5y - 7 = 0
- 10y = - 14
y = 1,4
X = 7 - 5•1,4 = 7 - 7 = 0
Ответ ( 0 ; 1,4 )