F a = b, then a - c = b - c. This is the property of equality.

Subtraction.

Step-by-step explanation:

The value c is taken from equal values a and b so the results are equal.

For example if a = 4 and b = 4,  4 - 2 = 2 and 4 - 2 = 2.

Common sense really. I don't see the point of giving this property a label.

step-by-step explanation:

the shape,the size and the distance

the answer is y = 11.54

hope this : )