126 because if you multiple 21 and 6 it’s gives you 126
<h3>HERE'S YOUR ANSWER ↓</h3>
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The first, third, and fifth options, hope this helps
35x – 13 x = x – 1
⇒ 22 x = x - 1
⇒ 22x - x = -1
⇒ 21x = -1
⇒ x = -1/21
Thus,the value of x is -1/21