Question detail

method check: solve 4x + 6 = 30.

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Notation, vocabulary and manipulation

Question

A. x = 6
B. 2x
C. 1x^2
D. 1x

Answer

The correct answer is x = 6.

Explanation

The distractors change the result or the form of the answer. The canonical solution reaches x = 6, so x = 6 is the only option consistent with the working.

Common mistake

Identities and algebraic proof common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Know the difference between an equation and an identity..

Show the method first, then give the final answer in the required form. Apply this directly to Identities and algebraic proof.

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