Subject Experts Solutions for Chapter: Simple Linear Equations, Exercise 4: Let Us Try 13.1

Evaluate the following expression, if $p=2$ and $q=3$.
$2pq$

Evaluate the following expression, if $p=2$ and $q=3$.
$\frac{3p+2q}{4}$

Evaluate the following expression, if $p=2$ and $q=3$.
$\frac{pq}{3}$

Evaluate the following expression, if $p=2$ and $q=3$.
$\frac{3p+4}{q}$

Evaluate the following expression, if $p=2$ and $q=3$.
$\frac{\left(2+2q\right)}{q-p}$

Find the value of the difference of the expressions $3\left(x–y\right)$ and $\left(x+y\right)$, if $x=3$ and $x$ is $1$ more than $y$.

Evaluate the expression $\left(3a+2b\right)-12$, where $a=2$ and $b=0$.

Evaluate the expression $\left(x^2-xy–y^2\right)$ for $x=3$ and $y=4$.