1)17х-8х=5+5
2)-11у+3у=-10-7
3)-3х+5х-9х+16х=0
4) 6х-10х=8-9
5)5x-12x=4+7
6)2x-14x-19x=-5
Пошаговое объяснение:
1)
17х - 5 = 8х + 5
17х - 8х = 5 + 5
9х = 10
х = 10 : 9
х = 10/9
х = 1. 1/9
2)
- 11у + 7 = - 3у - 10
- 11у + 3у = -10 - 7
- 8у = -17
у = -17 : (-8)
у = 17/8
у = 2. 1/8
3)
- 3х + 5х = 9х - 16х
2х = - 7х
2х + 7х = 0
9х = 0
х = 0 : 9
х = 0
4)
9 = - 6х + 8 + 10х
9 = 4х + 8
- 4х = 8 - 9
- 4х = -1
х = -1 : (-4)
х = 1/4
5)
5х = - 7 + 12х + 4
5х = -3 + 12х
5х - 12х = -3
- 7х = -3
х = -3 : (-7)
х = 3/7
6)
2х - 14х = -5 + 19х
- 12х = -5 + 19х
- 12х - 19х = -5
- 31х = -5
х = -5 : (-31)
х = 5/31
1)17х-8х=5+5
2)-11у+3у=-10-7
3)-3х+5х-9х+16х=0
4) 6х-10х=8-9
5)5x-12x=4+7
6)2x-14x-19x=-5
Пошаговое объяснение:
1)
17х - 5 = 8х + 5
17х - 8х = 5 + 5
9х = 10
х = 10 : 9
х = 10/9
х = 1. 1/9
2)
- 11у + 7 = - 3у - 10
- 11у + 3у = -10 - 7
- 8у = -17
у = -17 : (-8)
у = 17/8
у = 2. 1/8
3)
- 3х + 5х = 9х - 16х
2х = - 7х
2х + 7х = 0
9х = 0
х = 0 : 9
х = 0
4)
9 = - 6х + 8 + 10х
9 = 4х + 8
- 4х = 8 - 9
- 4х = -1
х = -1 : (-4)
х = 1/4
5)
5х = - 7 + 12х + 4
5х = -3 + 12х
5х - 12х = -3
- 7х = -3
х = -3 : (-7)
х = 3/7
6)
2х - 14х = -5 + 19х
- 12х = -5 + 19х
- 12х - 19х = -5
- 31х = -5
х = -5 : (-31)
х = 5/31