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A symbol we usually pick letters to be symbols, usually represents a number. Any letter you choose can be a variable.

A variable is a symbol that stands in for an unknown value in a mathematical expression. A variable expression is a combination of terms and mathematical operations that contains at least one variable. Example a + 2x + 10

An equation is a mathematical statement that two expressions are equal. The solution of an equation is the value that when substituted for the variable makes the equation a true statement.

Example: 3x + 5 = 14 is an equation, in which 3x+5 and 14 are two expressions separated by an ‘’equal’’ sign.

Converting the phrase into an equation:

Two more than a number is 8

In the left side, the phrase is ‘Two more than a number. More than means the addition and the right side is 54.

Let the number be ‘x’

Now we can write ‘‘Two more than a number’’ is$x+2$

The equation is$x+2=8$

Correct option is B and the equation is$x+2=8$