Question

Which of the following describes the best method of solving two-step equations?
A.
Apply the multiplication property of equality first, and then apply the addition property of equality to isolate the variable.
B.
Apply the addition property of equality first, and then apply the multiplication property of equality to isolate the variable.
C.
Apply only the multiplication property of equality to isolate the variable.
D.
Apply only the addition property of equality to isolate the variable.

Answer 1

Any ideas?

Answer 2

If you start with n multiply by 5 and subtract 9 what do you get @yourmellody ?

Answer 3

uhhh

Answer 4

start with n

multiply by 5 ----> 5n

subtract 9 -------> 5n-9

Answer 5

That doesnt answer my question though D;

Answer 6

Yes it does, if you understand it first :)

Answer 7

Is it A :oo

Answer 8

Solving two step equations means going from 5n-9 back to n.

Answer 9

Its A right?

Answer 10

So start with 5n-9

add 9 --->5n-9+9 --->5n Step 1.

divide by 5 ---->(5n)/5 Step 2.

Answer 11

so B is the answer

Answer 12

D:::: Just nevermind I already put A anyways..

Answer 13

Sorry, I am trying to help you understand why :(