Question

Clicking on option let excel automatically adjust column width as per contents of the cells in the column​

Answer 1

Answer:

To AutoFit column width:

The AutoFit feature will allow you to set a column's width to fit its content automatically. Position the mouse over the column line in the column heading so the cursor becomes a double arrow. Double-click the mouse. The column width will be changed automatically to fit the content.

Explanation:

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Answer 2

$3x - 5 = 3 \div 2 \\ 3x = 3 \div 2 + 5 \\ \\ 3x = 1.5 + 5 \\ 3x = 6.5 \\ x = 6.5 \div 3 \\ x = 2.167$