Question

Three fifth of a number is more than two forth of the number by 7.find the number.

Answer 1

let no. be x
3/5 x +7 = 2/4x
solve for x
hope it helps you

Answer 2

let the number be x, then
$\frac{3}{5} \times x = \frac{2}{4} \times x + 7 \\ = > ( \frac{3}{5} - \frac{2}{4} )x = 7 \\ = > (\frac{12}{20} - \frac{10}{20} )x = 7 \\ = > \frac{1}{10} \times x = 7 \\ = > x = 7 \times 10 \\ = > x = 70$