Question

Pls help!!!!!! pls provide an explaination if you can

Answer 1

x = 40 degrees

Explanation:

x and 4x-20 are supplementary (they add up to 180 degrees). We know this because a line is 180 degrees and those two angles are on that line.

This also means that 180-(4x-20) = x.

We can solve that equation for x:

180-4x+20=x

200-4x=x

200=5x

x=40

So we have x = 40 degrees.

We can check this by plugging in x as 40 degrees:

4(40)-20=140

x = 40

140+40 = 180

I hope I explained it well. :)

Answer 2

x =40

Explanation:

x and 4x -20 form a straight line which adds to 180 degrees

x+ 4x-20 =180

Combine like terms

5x -20 =180

Add 20 to each side

5x = 200

Divide by 5

5x/5 = 200/5

x = 40