Math, asked by 12bijoypaul12, 3 months ago

তিনটি সংখ্যা 4,7,8 এর পরিসংখ্যা যথাক্রমে x ,x -1, x+6।যদি গড় 7 হয় তবে x এর মান কত?​

Answers

Answered by infotmondal16
0

Answer:

6 \frac{1}{2}

Step-by-step explanation:

 \frac{4x + 7x - 7 + 8x + 48}{x + x - 1 + x + 6}  = 7

 \frac{19x + 48}{3x + 5}  = 7

19x + 48 = 21x + 35

2x  = 13

x =  \frac{13}{2}  = 6 \frac{1}{2}

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