समीकरण (x=10-y) और (y=7) से (x) क्या होगा?

From (x=10-y) and (y=7), what is (x)?

Explanation opens after your attempt
Correct Answer

D. (x=3)

Step 1

Concept

(x=10-7=3). In substitution, place the value in the given expression.

Step 2

Why this answer is correct

The correct answer is D. (x=3). (x=10-7=3). In substitution, place the value in the given expression.

Step 3

Exam Tip

(x=10-7=3)। प्रतिस्थापन में दी गई अभिव्यक्ति में मान रखें।

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समीकरण (x=10-y) और (y=7) से (x) क्या होगा? / From (x=10-y) and (y=7), what is (x)?

Correct Answer: D. (x=3). Explanation: (x=10-7=3)। प्रतिस्थापन में दी गई अभिव्यक्ति में मान रखें। / (x=10-7=3). In substitution, place the value in the given expression.

Which concept should I revise for this Mathematics MCQ?

(x=10-7=3). In substitution, place the value in the given expression.

What exam hint can help solve this Mathematics question?

(x=10-7=3)। प्रतिस्थापन में दी गई अभिव्यक्ति में मान रखें।