Angle 1 - 72 degrees
Angle 2 - 36 degrees
Angle 3 - 16 degrees
Angle 4 - 144 degrees
<em><u>I hope this helps! :) </u></em>
-2/3x +1/3 +x = 2/5
⇒ 1/3x + 1/3 = 2/5
⇒ 1/3x = 2/5 -1/3
⇒ x/3 = 1/15
⇒ 15x = 3
⇒ x = 3/15
⇒ x = 1/5
The equation you wrote has no solutions since the left hand side is equal to 6x-10 and the right hand side is equal to 6x+8. Setting them equal we get -10=8 which is obviously wrong.
Answer: -10
Step-by-step explanation: