x = 4
Пошаговое объяснение:
3(5х – 2) – 4(3х – 5) = 7х – 2
15x - 6 - 12x + 20 = 7x - 2
3x + 14 = 7x - 2
7x - 3x = 14 + 2
4x = 16
x = 16 : 4
15x-6-12x+20=7x-2
3x+14=7x-2
3x-7x=-14-2
-4x=-16
x=16÷4
x=4
x = 4
Пошаговое объяснение:
3(5х – 2) – 4(3х – 5) = 7х – 2
15x - 6 - 12x + 20 = 7x - 2
3x + 14 = 7x - 2
7x - 3x = 14 + 2
4x = 16
x = 16 : 4
x = 4
15x-6-12x+20=7x-2
3x+14=7x-2
3x-7x=-14-2
-4x=-16
x=16÷4
x=4