āļ–āđ‰āļē āđāļĨāđ‰āļ§ āļĄāļĩāļ„āđˆāļēāđ€āļ—āđˆāļēāđƒāļ”

Answer and explanation

Correct answer: B.

  1. Step 1: āļ„āļđāļ“āļ—āļąāđ‰āļ‡āļŠāļ­āļ‡āļ‚āđ‰āļēāļ‡āļ”āđ‰āļ§āļĒ 7: .
  2. Step 2: āļĨāļš 4 āļ­āļ­āļāļ—āļąāđ‰āļ‡āļŠāļ­āļ‡āļ‚āđ‰āļēāļ‡: .
Answer
.
Why not the others: : āļšāļ§āļ 4 āđāļ—āļ™āļ—āļĩāđˆāļˆāļ°āļĨāļš. : āđ„āļĄāđˆāļ„āļđāļ“āļ—āļąāđ‰āļ‡āļŠāļ­āļ‡āļ‚āđ‰āļēāļ‡āļ”āđ‰āļ§āļĒ 7. : āđ„āļĄāđˆāļ„āļđāļ“āļ”āđ‰āļ§āļĒ 7 āđāļĨāļ°āļšāļ§āļ 4 āđāļ—āļ™āļ—āļĩāđˆāļˆāļ°āļĨāļš.

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āļ–āđ‰āļē (x+4)/7=-1 āđāļĨāđ‰āļ§ xâ€Ķ | TCAS / TGAT / TPAT (Thailand)