Answer:
Eliminate y by adding equations (1) and (3) because the coefficients on y are opposites. Then eliminate y by multiplying equation (1) by 2 and adding it to equation (2). Eliminate z by subtracting equations (1) and (2) because the coefficients are the same. Then eliminate z by multiplying equation (3) by 2 and adding it to equation (1).
Explanation:
Networking is the answer.
Answer:
11 years old
Explanation:
because 18 + 5=21 1/2 of 21 is 11
D. where is liquid water found in our solar system I think is the correct answer