100-28.57142857=x

Solution for 100-28.57142857=x equation:

Simplifying
100 + -28.57142857 = x

Combine like terms: 100 + -28.57142857 = 71.42857143
71.42857143 = x

Solving
71.42857143 = x

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.
71.42857143 + -1x = x + -1x

Combine like terms: x + -1x = 0
71.42857143 + -1x = 0

Add '-71.42857143' to each side of the equation.
71.42857143 + -71.42857143 + -1x = 0 + -71.42857143

Combine like terms: 71.42857143 + -71.42857143 = 0.00000000
0.00000000 + -1x = 0 + -71.42857143
-1x = 0 + -71.42857143

Combine like terms: 0 + -71.42857143 = -71.42857143
-1x = -71.42857143

Divide each side by '-1'.
x = 71.42857143

Simplifying
x = 71.42857143