X-7.9=-12.8

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Solution for X-7.9=-12.8 equation: 


Simplifying
X + -7.9 = -12.8

Reorder the terms:
-7.9 + X = -12.8

Solving
-7.9 + X = -12.8

Solving for variable 'X'.

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

Add '7.9' to each side of the equation.
-7.9 + 7.9 + X = -12.8 + 7.9

Combine like terms: -7.9 + 7.9 = 0.0
0.0 + X = -12.8 + 7.9
X = -12.8 + 7.9

Combine like terms: -12.8 + 7.9 = -4.9
X = -4.9

Simplifying
X = -4.9

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