Решите уравнения относительно x: 1)4x+a=b+3x 2)a-x=b 3)ex-c=0 4)c-2x=4-3x

1)
4x + a = b + 3x
4x - 3x = b - a
x = b - a

2)
a - x = b
- x = b - a
x = a - b

3)
e*x - c = 0
e*x = c
x = c/e

4)
c - 2x = 4 - 3x
- 2x + 3x = 4 - c
x = 4 - c