3x=2y
x=4-y ;
3*(4-y)=2y;
12-3y=2y;
5y=12;
y=12/5
y=2,4
x=1,6
x = 2.5 y=-1.75
Объяснение:
2y = 4-3x
x-4+3x = 6 4x = 10 x= 10/4 = 2,5
2y = 4 - 3*2.5 2y= 4 - 7.5 y= -1.75
3x=2y
x=4-y ;
3*(4-y)=2y;
12-3y=2y;
5y=12;
y=12/5
y=2,4
x=1,6
x = 2.5 y=-1.75
Объяснение:
2y = 4-3x
x-4+3x = 6 4x = 10 x= 10/4 = 2,5
2y = 4 - 3*2.5 2y= 4 - 7.5 y= -1.75