1. 4
2. 6
3. 10
4. 11
5. -4
Пошаговое объяснение:
1. 2x - x = 1+3
x = 4
2. 7x - 3x = 27 - 3
4x = 24
x = 6
3. 3x -2x = 3 + 7
x = 10
4. -x -2x = 9 - 42
-3x = -33
x = 11
5. 3x +x = 4 - 20
4x = -16
x = -4
1)2х-3=х+1
2х-х=1+3
х=4
2) 7х+3=3х+27
7х-3х=27-3
4х=24
х=6
3) 3х-7=2х+3
3х-2х=3+7
х=10
4) 42-х=2х+9
42-9=2х+х
33=3х
х=11
5)20+3х=4-х
3х+х=4-20
4х=-16
х=-4
1. 4
2. 6
3. 10
4. 11
5. -4
Пошаговое объяснение:
1. 2x - x = 1+3
x = 4
2. 7x - 3x = 27 - 3
4x = 24
x = 6
3. 3x -2x = 3 + 7
x = 10
4. -x -2x = 9 - 42
-3x = -33
x = 11
5. 3x +x = 4 - 20
4x = -16
x = -4
Пошаговое объяснение:
1)2х-3=х+1
2х-х=1+3
х=4
2) 7х+3=3х+27
7х-3х=27-3
4х=24
х=6
3) 3х-7=2х+3
3х-2х=3+7
х=10
4) 42-х=2х+9
42-9=2х+х
33=3х
х=11
5)20+3х=4-х
3х+х=4-20
4х=-16
х=-4