Question

The variable from the equation 2n +1=11 is
(a) 2
(b) n
(c) 1
(d) 11

Answer 1

n is the variable....

Answer 2

The correct option is (b) n. The variable from the equation 2n +1=11 is n.

1. In the given equation, the variable is equal to n.

2. A variable in a mathematical equation is defined as the alphabetical term which has an unknown value. They are usually used in algebra or in an algebraic expression. The variable is not a constant and can be changed accordingly.

3. For example, in the equation 2x + 3, x is a variable.