Question

What is the value of x

Answer 1

-1x = 27

Explanation:

5.x=5x

5.4=-20

7-(-20)=27

5x -4x=-1x

-1x=27

Answer 2

The answer to your question is: x = 27

Explanation:

The are vertical angles, so they measure the same:

4x + 7 = 5(x - 4)

4x + 7 = 5x - 20 Expanding

4x - 5x = -20 - 7 Simplify like terms

-x = -27

x = 27