15+2x+3.5+4x=19
15+2x+4x+3.5=19
15+6x+15 =19
15+6x =19-15
15+6x = 14
6x = 14-15
6x = -1
x = -1 . 6
x = -6
15+2x+3.5+4x=19
15+2x+4x+3.5=19
15+6x+15 =19
15+6x =19-15
15+6x = 14
6x = 14-15
6x = -1
x = -1 . 6
x = -6
15+2x+3.5+4x=19
15+2x+4x+3.5=19
15+6x+15 =19
15+6x =19-15
15+6x = 14
6x = 14-15
6x = -1
x = -1 . 6
x = -6