Question

2x+3=x
-b+3=b
c+2c=2+c
-x=3x-5
5+x=2x

Answer 1

2x + 3 = x
2x - x = - 3
x = -3

-b + 3 = b
3 = b + b
3 = 2b
b = 3/2
b =1,5

c + 2c = 2 + c
c + 2c - c = 2
2c = 2
c = 1

-x = 3x -5
-x - 3x = -5
-4x = -5
x = -5/-4
x = 1,25


5 + x = 2x
5 = 2x - x
5 = x
x = 5

Espero ter ajudado ;)