12.8+2.4=X

Solution for 12.8+2.4=X equation:

Simplifying
12.8 + 2.4 = X

Combine like terms: 12.8 + 2.4 = 15.2
15.2 = X

Solving
15.2 = 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.
15.2 + -1X = X + -1X

Combine like terms: X + -1X = 0
15.2 + -1X = 0

Add '-15.2' to each side of the equation.
15.2 + -15.2 + -1X = 0 + -15.2

Combine like terms: 15.2 + -15.2 = 0.0
0.0 + -1X = 0 + -15.2
-1X = 0 + -15.2

Combine like terms: 0 + -15.2 = -15.2
-1X = -15.2

Divide each side by '-1'.
X = 15.2

Simplifying
X = 15.2