Respuesta :

apologiabiology
remember that you can do anyting to an equaiton as long as you do it to both sides

-2x+15=-3x+9
add 2x both sides
15=-x+9
minu s9 both sides
7=-x
times -1
-7=x
D1eformetal
-2x+3x=9-15
x=-6 Good Luck!