1.
-3x+4=5x-12
-8x=-16
x=2
2.
4x-7=-2x+5
6x=12
1) у=-3х+4 и у=5х-12
-3x + 4 = 5x - 12
-8x = -16
x = 2
y = -6 + 4 = -2
ответ:(2; -2)
2)у=4х-7 и у=-2х+5
4х - 7 = -2х + 5
6х = 12
х = 2
у = 8 - 7 = 1
ответ:(2; 1)
1.
-3x+4=5x-12
-8x=-16
x=2
2.
4x-7=-2x+5
6x=12
x=2
1) у=-3х+4 и у=5х-12
-3x + 4 = 5x - 12
-8x = -16
x = 2
y = -6 + 4 = -2
ответ:(2; -2)
2)у=4х-7 и у=-2х+5
4х - 7 = -2х + 5
6х = 12
х = 2
у = 8 - 7 = 1
ответ:(2; 1)