To see how they are related, let us solve the two equations.
FIRST EQUATION



SECOND EQUATION



Hence the solutions to the two equations are ADDITIVE INVERSE of each other.
The answer for your question is 6
Answer:
Step-by-step explanation:
Hello, please consider the following.
a)

b)

Thank you.
So you express fraction.
15 x (1/3)^ 3=15/27=5/9