Answer:
The correct option is D.
Step-by-step explanation:
The given equation is

According to the addition property of equality
and
are equivalent equations.
Use addition property of equality, add 3x on both the sides.


Therefore Sam's work is incorrect because he make calculation mistake.
According to the subtraction property of equality
and
are equivalent equations.
Use subtraction property of equality, subtract 5x from both the sides.


Therefore Roy's work is correct because he used subtraction property.
Option D is correct.
Answer:
1313.19 in
Step-by-step explanation:
have a nice dayyy :)
4-(

)+111
=4-(4)+111
=111 since 4 and -4 cancel each other out
It can't be a whole number. It can be 1.5, or 1 1/2.
Answer: 106.63 feet
Step-by-step explanation: how this helps :)