13x – 10 = 7x + 2
13x – 7x = 2 + 10
6x = 12
x = 2
19-15(x-2)=26-8x
19 – 15x + 30 = 26 – 8x
– 15x + 8x = 26 – 30 – 19
-7x = -23
x = -23/-7
х=3,28571428571
12x-(5x-8)=8+7x
12x – 5x + 8 = 8 + 7x
12x – 5x – 7x = 8 – 8
Уравнение имеет множество решений
13x – 10 = 7x + 2
13x – 7x = 2 + 10
6x = 12
x = 2
19-15(x-2)=26-8x
19 – 15x + 30 = 26 – 8x
– 15x + 8x = 26 – 30 – 19
-7x = -23
x = -23/-7
х=3,28571428571
12x-(5x-8)=8+7x
12x – 5x + 8 = 8 + 7x
12x – 5x – 7x = 8 – 8
Уравнение имеет множество решений