[tex]1675 \div x + 897 \div x - 597 \div x = 25[/tex]
[tex] \frac{1675}{x} + 897 \div x - 597 \div x = 25[/tex]
[tex] \frac{1675}{x} + \frac{897}{x} - \frac{597}{x} = 25[/tex]
[tex] \frac{1975}{x} = 25[/tex]
[tex]1975 = 25x[/tex]
[tex]25x = 1975[/tex]
[tex]x = 79[/tex]