13x-10=7x+2
6x-12 = 0
6x = 12
x = 2
19-15(x-2)=26-8x
раскроем скобки
19-15x+30 = 26-8x
-7x+23 = 0
7x-23 = 0
7x = 23
x = 23/7
х=3,28571428571
13x-10=7x+2
6x-12 = 0
6x = 12
x = 2
19-15(x-2)=26-8x
раскроем скобки
19-15x+30 = 26-8x
-7x+23 = 0
7x-23 = 0
7x = 23
x = 23/7
х=3,28571428571