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Class 10MathematicsPair of Linear Equations in Two VariablesAlgebraic methods: Substitution method and Elimination method.EasyLevel 56

Using elimination, what equation is obtained by subtracting (x-y=1) from (x+3y=13)?

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Answer and explanation

Correct answer: (4y=12)

On subtraction, (x) cancels and (3y-(-y)=4y), so (4y=12). Be careful with negative signs while subtracting.

Tags

linear equationseliminationsubtracting equationseasyclass 10

Frequently asked questions

What is the correct answer to this question?

(4y=12)

Why is this the correct answer?

On subtraction, (x) cancels and (3y-(-y)=4y), so (4y=12). Be careful with negative signs while subtracting.

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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