X+7.5=9

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Solution for X+7.5=9 equation: 


Simplifying
X + 7.5 = 9

Reorder the terms:
7.5 + X = 9

Solving
7.5 + X = 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 = 9 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + X = 9 + -7.5
X = 9 + -7.5

Combine like terms: 9 + -7.5 = 1.5
X = 1.5

Simplifying
X = 1.5

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