विलोपन विधि से (x+3y=13) और (x-y=1) को घटाने पर कौन-सा समीकरण मिलेगा?

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

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (4y=12)

Step 1

Concept

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

Step 2

Why this answer is correct

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

Step 3

Exam Tip

घटाने पर (x) कटता है और (3y-(-y)=4y), इसलिए (4y=12)। घटाते समय ऋण चिह्न का ध्यान रखें।

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विलोपन विधि से (x+3y=13) और (x-y=1) को घटाने पर कौन-सा समीकरण मिलेगा? / Using elimination, what equation is obtained by subtracting (x-y=1) from (x+3y=13)?

Correct Answer: A. (4y=12). Explanation: घटाने पर (x) कटता है और (3y-(-y)=4y), इसलिए (4y=12)। घटाते समय ऋण चिह्न का ध्यान रखें। / On subtraction, (x) cancels and (3y-(-y)=4y), so (4y=12). Be careful with negative signs while subtracting.

Which concept should I revise for this Mathematics MCQ?

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

What exam hint can help solve this Mathematics question?

घटाने पर (x) कटता है और (3y-(-y)=4y), इसलिए (4y=12)। घटाते समय ऋण चिह्न का ध्यान रखें।