(0,32 ; 0,76)
Пошаговое объяснение:
{4x = 3y - 1
{3x + 4x = 4
{x = 3y/4 - 1/4
{3 ( 3y/4 - 1/4 ) + 4y = 4
9y/4 - 3/4 + 4y = 4 | *4
9y - 3 + 16y = 16
25y = 19
y = 19/25 = 76/100 = 0,76 => x= (3/4 * 19/25) - 1/4 = 57/100 - 1/4 = 57/100 - 25/100 = 32/100 = 0,32
(0,32 ; 0,76)
Пошаговое объяснение:
{4x = 3y - 1
{3x + 4x = 4
{x = 3y/4 - 1/4
{3 ( 3y/4 - 1/4 ) + 4y = 4
9y/4 - 3/4 + 4y = 4 | *4
9y - 3 + 16y = 16
25y = 19
y = 19/25 = 76/100 = 0,76 => x= (3/4 * 19/25) - 1/4 = 57/100 - 1/4 = 57/100 - 25/100 = 32/100 = 0,32