Drag each expression to show whether it is equivalent to 36x + 9, 9(4x – 1), or (4 • 9x) + (4 • 2).

Start with expressions in blue boxes:

1st column)

2nd column)

3rd column)

You have 6 expressions. Consider all them:

1. - 3rd column;

2. - 1st column;

3. - 2nd column;

4. - 1st column;

5. - 2nd column;

6. - 3rd column.

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this