Solve the equation by substitution method.
To get b-2-3b=4. Then you substitute b into simplest to get, b=-3. Repeat the same process with a to get, a=-5. So your answer would be (-5, -3)
Answer:
The answer is
Height and weight have the same degree of variation
most members prefer a beach vacation
You can subtract the populations to see by how many more people/citizens does country B have
The given system of equation is
