Respuesta :

Step-by-step explanation:

12x - 16 = 2x - 21

10x - 16 = -21

10x = -5

x= -0.5

Answer:

[tex]4(3x - 4)=-(-2x+21)[/tex]

[tex]12x - 16 = 2x - 21[/tex]

[tex]12x - 2x = - 21 + 16[/tex]

[tex]10x = - 5[/tex]

[tex]x = \frac{ - 5}{10} [/tex]

[tex]x = - 0.5[/tex]