Question

Помогите решить !

1) 3x+ 7 = x

2) 2n=-2+6n

3)-5m-24=m

4)2x+4=6

5)-16-m=-2m

Answer 1

1. 3x-x = -7
    2x = -7
    x = -7/2
    x = 3,5

2. 2n-6n = -2
    -6n = -2
     n = 1/3

3. -5m-m = 24
    -6m = 24
     m = -4

4.  2x = 2
     x = 2

5.  -m+2m = 16
     m = 16