These are like terms, meaning that they are completely the same disregarding the coefficient.
To combine like terms, add the coefficients.
16+(-12)=4
Final answer: 4x
Answer:
z = 1/9 and z = 1
Step-by-step explanation:


You can check the answer using foil method
Then,





Answers:


0.2 if you mean 2/10 or 2.5 if you mean 10/2