Question

Its not a quiz/test its homework thats due in a bit :)

Just to clear any misunderstandings that might arise

Answer 1

Answer: MN = 25

Explanation:

Since the length is already given we just add the equations equal to it.

45 = 3x + 2 + x + 19 Combine like terms

45 = 4x + 21 Subtract 21 from both sides

24 = 4x Divide by 4

x = 6

Now we plug x into the equation needed.

X + 19

6 + 19 = 25

Answer 2

MN = 25

Explanation:

If LN=45, then the addition of both quantities will be 45.

LN = 3x + 2 + x + 19

3x + 2 + x + 19 = 45

4x + 21 = 45

4x = 45 - 21 = 24

x = 6

Now that we found the value of "x", we can find the lenght of MN

MN = x + 19

MN = 6 + 19

MN = 25

Hope it was helpful ;)