( x, y ) = ( -2, 4 )
Объяснение:
-3x + y = 10
5x - 2y = -18
y = 10 + 3x
5x - 2( 10 + 3x) = -18
x = -2
y = 10 + 3 × ( -2 )
y = 4
( x, y ) = ( -2, 4 )
Объяснение:
-3x + y = 10
5x - 2y = -18
y = 10 + 3x
5x - 2y = -18
5x - 2( 10 + 3x) = -18
x = -2
y = 10 + 3 × ( -2 )
y = 4