5
 = 
x
1
1

Cross multiply:
5 * 1 = 1 * x

Simplifying
5 * 1 = 1 * x

Multiply 5 * 1
5 = 1 * x

Solving
5 = 1x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
5 + -1x = 1x + -1x

Combine like terms: 1x + -1x = 0
5 + -1x = 0

Add '-5' to each side of the equation.
5 + -5 + -1x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 0 + -5
-1x = 0 + -5

Combine like terms: 0 + -5 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5