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
D. (x=3)
Concept
(x=10-7=3). In substitution, place the value in the given expression.
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.
Exam Tip
(x=10-7=3)। प्रतिस्थापन में दी गई अभिव्यक्ति में मान रखें।
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