Question

Calculate the value of x​

Answer 1

hope this helps u

Answer:

x = 25

Step-by-step explanation:

here we are using linear pair property that is  in a straight lines if we add we get 180

⇒3x-5 + x+20 + 65 = 180

⇒4x -5+85=180

⇒4x+80=180

⇒4x= 180-80

⇒4x = 100

⇒x = 100/4=25

3x-5 = 3*25-5=75-5 = 70

x+20= 25+20= 45

verification

3x-5 + x+20 + 65 = 180

70+45+65=180

180=180

Answer 2

Answer:

45

Since sum of all the angles at a point = 180

$3x - 5 + x + 20 + 65 = 180 \\ 4x + 80 = 180 \\ 4x = 180 - 80 \\ 4x = 100 \\ x = \frac{100}{4} \\ x = 25$

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