व्यंजक (5x-[3x-{2x+7}]) का सरल रूप क्या है?
What is the simplified form of (5x-[3x-{2x+7}])?
Explanation opens after your attempt
A. (4x+7)
Concept
Inside (3x-(2x+7)=x-7), so (5x-(x-7)=4x+7). Solve the inner bracket first.
Why this answer is correct
The correct answer is A. (4x+7). Inside (3x-(2x+7)=x-7), so (5x-(x-7)=4x+7). Solve the inner bracket first.
Exam Tip
अंदर (3x-(2x+7)=x-7), इसलिए (5x-(x-7)=4x+7)। अंदरूनी कोष्ठक पहले हल करें।
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