Santonapathak Santonapathak

19-07-2021
Mathematics

contestada

if 2x+20 and 3x+20 makes a straight angke find value of x

Respuesta :

jimrgrant1 jimrgrant1

19-07-2021

Answer:

x = 28

Step-by-step explanation:

The sum of the angles in a straight angle = 180°

Sum the angles and equate to 180

2x + 20 + 3x + 20 = 180

5x + 40 = 180 ( subtract 40 from both sides )

5x = 140 ( divide both sides by 5 )

x = 28

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