10 | = | 5 |

| |

x | 1 |

Cross multiply:
10 * 1 = x * 5
Simplifying
10 * 1 = x * 5
Multiply 10 * 1
10 = x * 5
Reorder the terms for easier multiplication:
10 = 5x
Solving
10 = 5x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5x' to each side of the equation.
10 + -5x = 5x + -5x
Combine like terms: 5x + -5x = 0
10 + -5x = 0
Add '-10' to each side of the equation.
10 + -10 + -5x = 0 + -10
Combine like terms: 10 + -10 = 0
0 + -5x = 0 + -10
-5x = 0 + -10
Combine like terms: 0 + -10 = -10
-5x = -10
Divide each side by '-5'.
x = 2
Simplifying
x = 2