Multiple choice

What is the root of the equation $\displaystyle 3x+7=22$

  1. $5$
  2. $0$
  3. $7$
  4. $9$
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A Correct answer
Explanation

Subtract 7 from both sides to get 3x = 15, then divide by 3 to find x = 5.

AI explanation

To solve the linear equation 3x + 7 = 22, first subtract 7 from both sides to get 3x = 15. Then, divide both sides by 3 to isolate the variable. This gives x = 5.

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