А)2=(3x-5)-(7-4x)
2 = 3x – 5 – 7 + 4x
– 3x – 4x = – 7 – 5 – 2
-7x = -14
x = 2
В)8x+5=119+(7-3x)
8x + 5 = 119 + 7 – 3x
8x + 3x = 7 + 119 – 5
11x = 121
x = 11
А)2=(3x-5)-(7-4x)
2 = 3x – 5 – 7 + 4x
– 3x – 4x = – 7 – 5 – 2
-7x = -14
x = 2
В)8x+5=119+(7-3x)
8x + 5 = 119 + 7 – 3x
8x + 3x = 7 + 119 – 5
11x = 121
x = 11