Answer :

Answer:

s = 14

Step-by-step explanation:

3s = s + 28

-s     -s

2s = 28

/2     /2

s = 14

Answer:

s=14

Step-by-step explanation:

Alternate angles are equal

therefore, 3s = s + 28

3s - s = 28

2s = 28

s = 14

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