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What is the value of x? ​

What Is The Value Of X class=

Sagot :

Answer:

x=20

Step-by-step explanation:

The lines on the top and bottom are shown to be parallel and the line in between is a transversal. This means that the same side interior theorem applies. The same side interior theorem states that 2 angles on the same side of a transversal, inside 2 parallel lines will sum 180 degrees.

So, to solve, add the expressions together and set them equal to 180.

  • First, create the equation

80+(4x+20)= 180

  • Then, combine like terms

4x+100=180

  • Next, subtract 100 from both sides

4x=80

  • Finally, divide both sides by 4

x=20