12 .27x = 22 .9x+4 হলে x -এর মান কত ?
Correct Answer: Option C
12 .27x = 22 .9x+4
বা, 4\( \times \)3\( \times \)(33 )x =4\( \times \)(32 )x+4
বা, 4\( \times \)33x+1 =4\( \times \)32x+8
বা, 33x+1 = 32x+8
বা, 3x+1 = 2x+8 বা, 3x-2x = 8-1 x = 7
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