Lesson eLearning

Solve for x: 2x + 5 = 15.

medium MCQ Class 7 · Mathematics · Simple Equations
  1. x = 5
  2. x = 10
  3. x = 7.5
  4. x = 4
Answer
x = 5

The correct answer is x = 5 — x = 10 / 2 = 5.

Step-by-step solution

  1. 2x = 15 - 5 = 10.
  2. x = 10 / 2 = 5.

Concept tested: Linear Equations

Published · How this solution was prepared and checked

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