42.3-x=28.8

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Solution for 42.3-x=28.8 equation: 


Simplifying
42.3 + -1x = 28.8

Solving
42.3 + -1x = 28.8

Solving for variable 'x'.

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

Add '-42.3' to each side of the equation.
42.3 + -42.3 + -1x = 28.8 + -42.3

Combine like terms: 42.3 + -42.3 = 0.0
0.0 + -1x = 28.8 + -42.3
-1x = 28.8 + -42.3

Combine like terms: 28.8 + -42.3 = -13.5
-1x = -13.5

Divide each side by '-1'.
x = 13.5

Simplifying
x = 13.5

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