Respuesta :

Ajgirl02
First, use the distributive property to get this:

45=-5x-9x-81
Combine like terms to get this:

45= -14x-81. 
Now add 81 to both sides:

126=-14x

Then divide both sides by -14 to get x alone.

Your answer is:

x=-9
45= -5x-9x-81 
45+81= -14x
126 = -14x
    9 = -x
x = -9