Step-by-step explanation:
-4x - 2y = 18
+ (4x - 4y = -36)
=> -6y = -18, y = 3
As we added the equations together, we have eliminated x and found y.
Hence the correct answer is "Add to eliminate x".
Answer:
49
(-7)² = -7 × -7
-7 × -7 = 49
the awnser is....... -500 or at least what i got
i just need points