Answer: a=-4
Explanation:
Subtract
from both sides of the equation
6+6=−18
6+6−6=−18−6
Simplify
Subtract the numbers
Subtract the numbers
6=−24
Divide both sides of the equation by the same term
6=−24
66=−246
Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
=−4