-3x = -3 because you would multiply one of the equations by -1 to eliminate y.
Hi again! so vertical angles are angles that are across from eachother, so it would be 5 and 7 and 6 and 8
the AnSwEr is
12 because 8x - 1=3x+4 the variable x represents the same value and x= 0
Answer: 10, 1/10, 2/5
Step-by-step explanation:
Answer:
69, -69
Step-by-step explanation:
If the number is positive, the opposite of it is the same number, but negative.
If the number is negative, the opposite of the number is the same number, but positive.
So, -69 would be 69.
69 is the opposite of -69, so the opposite of 69 would go back to -69.
