[tex] 61.\\\text{The equation:}\\\\\dfrac{5}{4}x=20\ \ \ |\cdot\dfrac{4}{5}\\\\\dfrac{\not4}{\not5}\cdot\dfrac{\not5}{\not4}x=\dfrac{4}{\not5}\cdot\not20^4\\\\x=16\\\\\text{Answer:}\ x-1=16-1=15 [/tex]
[tex]62.\\x-\text{the number}\\\\\text{The equation:}\\\\\dfrac{1}{2}(x-3)=10\ \ \ |\cdot2\\\\\not2\cdot\dfrac{1}{\not2}(x-3)=10\cdot2\\\\x-3=20\ \ \ |+3\\\\x=23\\\\\text{Answer:}\ 23+3=26[/tex]
