Question

A) -x=3x-5 B) 5+x=2x C) 2+3a=5a

Answer 1

A) -x = 3x -5
    -x -3x = -5
    -4x = -5
       x = -5/-4
       x = 5/4

B) 5 +x = 2x
     x -2x = -5
     -x = -5
      x = 5

C) 2 +3a = 5a
     3a -5a = -2
     -2a = -2
        a = -2/-2
        a = +1