3+15+1.50=x

Solution for 3+15+1.50=x equation:

Simplifying
3 + 15 + 1.50 = x

Combine like terms: 3 + 15 = 18
18 + 1.50 = x

Combine like terms: 18 + 1.50 = 19.5
19.5 = x

Solving
19.5 = 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.
19.5 + -1x = x + -1x

Combine like terms: x + -1x = 0
19.5 + -1x = 0

Add '-19.5' to each side of the equation.
19.5 + -19.5 + -1x = 0 + -19.5

Combine like terms: 19.5 + -19.5 = 0.0
0.0 + -1x = 0 + -19.5
-1x = 0 + -19.5

Combine like terms: 0 + -19.5 = -19.5
-1x = -19.5

Divide each side by '-1'.
x = 19.5

Simplifying
x = 19.5