x-2.8=9.99

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Solution for x-2.8=9.99 equation: 


Simplifying
x + -2.8 = 9.99

Reorder the terms:
-2.8 + x = 9.99

Solving
-2.8 + x = 9.99

Solving for variable 'x'.

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

Add '2.8' to each side of the equation.
-2.8 + 2.8 + x = 9.99 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + x = 9.99 + 2.8
x = 9.99 + 2.8

Combine like terms: 9.99 + 2.8 = 12.79
x = 12.79

Simplifying
x = 12.79

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