HELP WILL MARK BRAINLIEST

x=3

Step-by-step explanation:

Since the denominator changed from 60 to 15 that is a division by four.

So, we need to divide 12 by four to get 3.

Hope This Helps!

PS:If you don't want to you don't have to mark me brainiest

Answer 5 i think or maybe 3 i think its 3 though

Step-by-step explanation:

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".