Rahul Sofat Solutions for Chapter: Introduction of Algebra, Exercise 2: EXERCISE 11.2

Check whether the following expression is with numbers only:

$5+5x$

Check whether the following expression is with numbers only:

$30-3x$

State which of the following is equation with a variable. Identify the variable used in the equation.

$20+x=6$

State whether the algebraic expression is an equation with a variable.  Identify the variable used in the equation.

$(x-5)>5$

State whether the algebraic expression is an equation with a variable.  Identify the variable used in the equation.

$2 x-1<0$

State whether the algebraic expression is an equation with a variable.  Identify the variable used in the equation.
$20-(5+1)=2\times 7$

State whether the algebraic expression is an equation with a variable. Identify the variable used in the equation.

$\frac{3p}{2}>1$

State whether the algebraic expression is an equation with a variable. Identify the variable used in the equation.

$3p+5=2p+7$