Solve the equation $\frac{2y-1}{3}-\frac{3y-1}{4}=1$

Evaluate $7\tfrac{1}{2}-(2\tfrac{1}{2}+3)\div \tfrac{33}{2}$, correct to the nearest whole number

A farmer uses $\frac{2}{5}$of his land to grow cassava, $\frac{1}{3}$of the remainder for yam and the rest for maize. Find the part of the land used for maize

If m =4, n =9 and r =16, evaluate $\tfrac{m}{n}-1\tfrac{7}{9}+\tfrac{n}{r}$

What is the place value of 9 in the number 3.0492?

Given that $\frac{1-2x}{4x-3}$, find the value of x for which y is undefined

Simplify $\frac{x-4}{4}-\frac{x-3}{6}$

Simplify $\frac{4}{2x}-\frac{2+x}{x}$ 

For what value of x is the expression $\frac{2x-1}{x+3}$ not defined? 

If $p=\frac{1}{2}$ and $\frac{1}{p-1}=\frac{2}{p+x}$ , find the value of x