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]