Пошаговое объяснение:
х + 12 = 35
х = 35 - 12
х = 23
2х - 1 = х + 5
2х - х = 5 + 1
х = 6
33 + 8х = -5х + 72
8х + 5х = 72 - 33
13х = 39
х = 39 : 13
х = 3
9(х - 1) = х + 15
9х - 9 = х + 15
9х - х = 15 + 9
8х = 24
х = 24 : 8
(18х - 19) - (4 - 7х) = -73
18х - 19 - 4 + 7х = -73
25х - 23 = -73
25х = -73 + 23
25х = -50
х = -50 : 25
х = -2
10х + 3(7 - 2х) = 13 + 2х
10х + 21 - 6х = 13 + 2х
4х + 21 = 13 + 2х
4х - 2х = 13 - 21
2х = -8
х = -8 : 2
х = -4
0,1х + 9 = 0,2х - 4
0,1х - 0,2х = -4 - 9
-0,1х = -13
х = -13 : (-0,1)
х = 130
2(3х + 5) - 3(4х - 1) = 11,8
6х + 10 - 12х + 3 = 11,8
-6х + 13 = 11,8
-6х = 11,8 - 13
-6х = -1,2
х = -1,2 : (-6)
х = 0,2
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Verified answer
Пошаговое объяснение:
х + 12 = 35
х = 35 - 12
х = 23
2х - 1 = х + 5
2х - х = 5 + 1
х = 6
33 + 8х = -5х + 72
8х + 5х = 72 - 33
13х = 39
х = 39 : 13
х = 3
9(х - 1) = х + 15
9х - 9 = х + 15
9х - х = 15 + 9
8х = 24
х = 24 : 8
х = 3
(18х - 19) - (4 - 7х) = -73
18х - 19 - 4 + 7х = -73
25х - 23 = -73
25х = -73 + 23
25х = -50
х = -50 : 25
х = -2
10х + 3(7 - 2х) = 13 + 2х
10х + 21 - 6х = 13 + 2х
4х + 21 = 13 + 2х
4х - 2х = 13 - 21
2х = -8
х = -8 : 2
х = -4
0,1х + 9 = 0,2х - 4
0,1х - 0,2х = -4 - 9
-0,1х = -13
х = -13 : (-0,1)
х = 130
2(3х + 5) - 3(4х - 1) = 11,8
6х + 10 - 12х + 3 = 11,8
-6х + 13 = 11,8
-6х = 11,8 - 13
-6х = -1,2
х = -1,2 : (-6)
х = 0,2