Question:x + 2y = 4 সমীকরণটিতে y = 4 হলে x = ? 

A 3 
B 4 
C 5 
D 6 

+ Answer
B 

+ Explanation
2x - y = 4

 বা, 2x - 4 = 4

 বা, 2x = 8

 :. x = 4

+ Report

Irin Moni

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