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