Respuesta :
Answer:
Step-by-step explanation:
3x + 45 = 4x + 21
45 - 21 = 4x - 3x
24 = x
Answer:
x=24
Step-by-step explanation:
[tex]3x + 45 = 4x + 21 \\ collect \: like \: terms \\ 3x - 4x = 21 - 45 \\ - x = - 24[/tex]
[tex]x = 24[/tex]
Answer:
Step-by-step explanation:
3x + 45 = 4x + 21
45 - 21 = 4x - 3x
24 = x
Answer:
Step-by-step explanation:
[tex]3x + 45 = 4x + 21 \\ collect \: like \: terms \\ 3x - 4x = 21 - 45 \\ - x = - 24[/tex]
[tex]x = 24[/tex]
