x-3.5=18

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Solution for x-3.5=18 equation: 


Simplifying
x + -3.5 = 18

Reorder the terms:
-3.5 + x = 18

Solving
-3.5 + x = 18

Solving for variable 'x'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + x = 18 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + x = 18 + 3.5
x = 18 + 3.5

Combine like terms: 18 + 3.5 = 21.5
x = 21.5

Simplifying
x = 21.5

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