if k/2=5, then k=10
reflexive property

symmetric property

multiplication property of equality

subtraction property of equality

Question

if k/2=5, then k=10 
reflexive property
		
symmetric property
		
multiplication property of equality
		
subtraction property of equality

mathstudent55 · Answer

You start with

$\dfrac{k}{2} = 5$

You want to end up with 

$k = 10$

In an equation, you are allowed to do the same operation to both sides (except for the big "no-no", dividing by zero).
Which operation was used on both sides to change k/5 to just k and to change 5 into 10?

44691 · Answer

still dont get it uggh

mathstudent55 · Answer

Can you think of an operation you do to 5 that the result is 10?

mathstudent55 · Answer

Look at k/2.
k is being divided by 2.
What operation do you do to a number to undo a division?
Which operation is the opposite of division?

44691 · Answer

thanks but already did it. :)