Respuesta :
if a number is right beside a variable ( called the coefficient) and you want to isolate the variable, you have to divide both sides by the coefficient
-12b = 9
-12b / -12 = 9/-12
b= -9/12
to simplify
b =-3/4
You can easily turn that into decimal form or percent form
-3/4= -0.75 = -75%
