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यदि 3x + 6 = 21 हो, तो x का मान क्या होगा? - Practice (Hindi) | ObjectiveMcq
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Math
Algebra
यदि 3x + 6 = 21 हो, तो x का मान क्य...
Algebra
Math
Easy
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यदि 3x + 6 = 21 हो, तो x का मान क्या होगा?
A
3
B
5
C
7
D
9
Correct Answer:
(B) 5
Explanation:
3x + 6 = 21 → 3x = 15 → x = 5।
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