5 | = | 485 |

| |

x | 97 |

Cross multiply:
5 * 97 = x * 485
Simplifying
5 * 97 = x * 485
Multiply 5 * 97
485 = x * 485
Reorder the terms for easier multiplication:
485 = 485x
Solving
485 = 485x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-485x' to each side of the equation.
485 + -485x = 485x + -485x
Combine like terms: 485x + -485x = 0
485 + -485x = 0
Add '-485' to each side of the equation.
485 + -485 + -485x = 0 + -485
Combine like terms: 485 + -485 = 0
0 + -485x = 0 + -485
-485x = 0 + -485
Combine like terms: 0 + -485 = -485
-485x = -485
Divide each side by '-485'.
x = 1
Simplifying
x = 1