Which is the solution of (y=3x) and (x+y=16)?
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Answer and explanation
Correct answer: ( (4,12) )
Putting (y=3x) gives (4x=16), so (x=4) and (y=12). Substitution is fast when one variable is a multiple of the other.
Frequently asked questions
What is the correct answer to this question?
( (4,12) )
Why is this the correct answer?
Putting (y=3x) gives (4x=16), so (x=4) and (y=12). Substitution is fast when one variable is a multiple of the other.
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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