Respuesta :

crsjr

hello,

[tex]a + 3 + 2a = - 1 + 3a + 4 \\ a + 2a - 3a = - 1 + 4 - 3 \\ 3a - 3a = - 4 + 4 \\ 0 = 0[/tex]

[tex] \boxed{crsjr}[/tex]

Did it have multiple choices