Respuesta :

[tex]5a+12a-32=13a+4 17a-32=13a+4 4a=36 a=9
apologiabiology
so first parenthasees
4(3a-8)=12a-32

group like terms
5a+12a-32=4+13a
17a-32=4+13a
subtract 13a from both sides
4a-32=4
add 32 to both sides
4a=36
divide both sides by 4
a=6