X-7.5=12.9

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Solution for X-7.5=12.9 equation: 


Simplifying
X + -7.5 = 12.9

Reorder the terms:
-7.5 + X = 12.9

Solving
-7.5 + X = 12.9

Solving for variable 'X'.

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

Add '7.5' to each side of the equation.
-7.5 + 7.5 + X = 12.9 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + X = 12.9 + 7.5
X = 12.9 + 7.5

Combine like terms: 12.9 + 7.5 = 20.4
X = 20.4

Simplifying
X = 20.4

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