Solve. Check your answer.

1. ((d + 2)/(d + 8)) = ((-6)/(d + 8))

A: ?

since the denominator is the same on both sides, just work with the numerators:

d+2 = -6
d = -8

BZZZT! But thanks for playing. Since the denominator is d+8, d = -8 is not in the domain, because that would cause division by zero.

Before clearing fractions, be sure to note which values must be excluded from the solution set.