18.2 + 45.4 + x < 100

18.2+45.4=63.6

100-63.6=36.4

Simplifying 18.2 + 45.4 + x = 100

Combine like terms: 18.2 + 45.4 = 63.6 63.6 + x = 100

Solving 63.6 + x = 100

Solving for variable 'x'.

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

Add '-63.6' to each side of the equation. 63.6 + - 63.6 + x = 100 + - 63.6 Combine like terms: 63.6 + - 63.6 = 0.0 0.0 + x = 100 + - 63.6 x = 100 + - 63.6 Combine like terms: 100 + - 63.6 = 36.4 x = 36.4

Simplifying x = 36.4