Respuestas

  • Usuario de Brainly
2013-12-10T13:34:07+01:00
2x+8 =  x+25+8
2x -x =33-8
x=25

3x +23 =2x+59
3x-2x =59-23
x=36

x+12 =17
x=17-12
x=5

2x -4 =x+9
2x-x =9+4
x=13

5x -10=4x-12
5x-4x =-12+10
x=-2

2x+3=10
2x =10-3
2x=7
x=7/2