а)(7x+1)-(6x+3)=5
7x + 1 – 6x – 3 = 5
7x – 6x = 5 + 3 – 1
x = 7
б)(8x+11)-13=9x-5
8x + 11 – 13 = 9x – 5
8x – 9x = – 5 + 13 – 11
-x = -3
x = 3
в)2=(3x-5)-(7-4x)
2 = 3x – 5 – 7 + 4x
– 3x – 4x = – 7 – 5 – 2
-7x = -14
x = 2
г) 8x+5=119+(7-3x)
8x + 5 = 119 + 7 – 3x
8x + 3x = 7 + 119 – 5
11x = 121
x = 11
а)(7x+1)-(6x+3)=5
7x + 1 – 6x – 3 = 5
7x – 6x = 5 + 3 – 1
x = 7
б)(8x+11)-13=9x-5
8x + 11 – 13 = 9x – 5
8x – 9x = – 5 + 13 – 11
-x = -3
x = 3
в)2=(3x-5)-(7-4x)
2 = 3x – 5 – 7 + 4x
– 3x – 4x = – 7 – 5 – 2
-7x = -14
x = 2
г) 8x+5=119+(7-3x)
8x + 5 = 119 + 7 – 3x
8x + 3x = 7 + 119 – 5
11x = 121
x = 11