Question

if x =40 ...find the value of y=?​

Answer 1

Answer:

y=20

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

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if x= 40,

then, 2x= 2×20 = 80

y= ?

We know that sum of linear pair is 180°

therefore,

5y+x= 180

5y+ 80= 180

5y= 180-80

5y= 100

y = 100÷ 5

y = 20

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