For (y=x-1) and (x=6), what is (y)?
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Answer and explanation
Correct answer: \(y=5\)
Given \(x=6\), substitute it into \(y=x-1\): \(y=6-1=5\). Therefore, \(y=5\) is correct. Choosing \(y=6\) is incorrect because 1 must be subtracted from the value of \(x\). Exam tip: after substitution, write each arithmetic step carefully.
Frequently asked questions
What is the correct answer to this question?
\(y=5\)
Why is this the correct answer?
Given \(x=6\), substitute it into \(y=x-1\): \(y=6-1=5\). Therefore, \(y=5\) is correct. Choosing \(y=6\) is incorrect because 1 must be subtracted from the value of \(x\). Exam tip: after substitution, write each arithmetic step carefully.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Pair of Linear Equations in Two Variables. Topic: Algebraic methods: Substitution method and Elimination method..
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