Пошаговое объяснение:
3(х - 2) = 4х
3х - 6 = 4х
3х - 4х = 6
-х = 6
х = -6
5(у + 3) = 10
5у + 15 = 10
5у = 10 - 15
5у = -5
у = -5 : 5
у = -1
3(2х - 7) = 9
6х - 21 = 9
6х = 9 + 21
6х = 30
х = 30 : 6
х = 5
6(z - 1) = 18
6z - 6 = 18
6z = 18 + 6
6z = 24
z = 24 : 6
z = 4
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Verified answer
Пошаговое объяснение:
3(х - 2) = 4х
3х - 6 = 4х
3х - 4х = 6
-х = 6
х = -6
5(у + 3) = 10
5у + 15 = 10
5у = 10 - 15
5у = -5
у = -5 : 5
у = -1
3(2х - 7) = 9
6х - 21 = 9
6х = 9 + 21
6х = 30
х = 30 : 6
х = 5
6(z - 1) = 18
6z - 6 = 18
6z = 18 + 6
6z = 24
z = 24 : 6
z = 4