5-2.8=x

Solution for 5-2.8=x equation:

Simplifying
5 + -2.8 = x

Combine like terms: 5 + -2.8 = 2.2
2.2 = x

Solving
2.2 = 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.
2.2 + -1x = x + -1x

Combine like terms: x + -1x = 0
2.2 + -1x = 0

Add '-2.2' to each side of the equation.
2.2 + -2.2 + -1x = 0 + -2.2

Combine like terms: 2.2 + -2.2 = 0.0
0.0 + -1x = 0 + -2.2
-1x = 0 + -2.2

Combine like terms: 0 + -2.2 = -2.2
-1x = -2.2

Divide each side by '-1'.
x = 2.2

Simplifying
x = 2.2