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Find the unknown value in this equation: If 2x + 4 = 42, what is x?
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Subject
Mathematics
Topic
Algebra
Subtopic
Linear Equations
Reviewed by Super AdminEditorial Policy
medium
18
21
19
20
Not applicable — one-best-answer MCQ uses four options
Correct Answer
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Explanation
x=19.…
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Concept Behind This Question
This question focuses on the concept of Linear Equations under the broader topic of Algebra.
Related key concepts: Elementary School Teacher, ESE, EST, Math.
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Question Details
- Subject:
- Mathematics
- Topic:
- Algebra
- Subtopic:
- Linear Equations
- Difficulty:
- medium
- Source:
- https://www.khanacademy.org/math
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