Answer:
addition property of equality
Step-by-step explanation:
x-7=5 to cancel add 7 to each side
x-7+7=5+7
x=12
Answer:
The answer would be 19. I think. I am not so good at mathematics. I just added 19 to -3 and got the answer of 16.
Step-by-step explanation:
16 - 19 = -3
That's all..
Answer:
Right
Step-by-step explanation:
One of the angles is 90 degrees.
Answer:
Perimeter
Step-by-step explanation:
Perimeter is the outside of the rectangle area is inside