Work. Do Not Solve

Short Answer

work. Do not solve.
-5x + 9y = -12
-4x - 4y = -32
A) Substitution B) Addition
Answer: B
Write the word or phrase that best completes each statement or answers the question.
-2x + 3y = -1
4x + 2y = -3
What number would you multiply the top equation by to eliminate the x terms?