solve for x.
a2x+a−8=(a+8)(x)
Add -8x to both sides.
a^2x+a−8+−8x=ax+8x+−8x
a^2x+a−8x−8=ax
Add -ax to both sides.
a^2x+a−8x−8+−ax=ax+−ax
a^2x−ax+a−8x−8=0
Add 8 to both sides.
a^2x−ax+a−8x−8+8=0+8
a^2x−ax+a−8x=8
Add -a to both sides.
a^2x−ax+a−8x+−a=8+−a
a^2x−ax−8x=−a+8
Factor out variable x.
x(a^2−a−8)=−a+8
Divide both sides by a^2-a-8.
x(a^2−a−8) / a^2−a−8 = −a+8 / a^2−a−8
