8.5-x=12

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Solution for 8.5-x=12 equation: 


Simplifying
8.5 + -1x = 12

Solving
8.5 + -1x = 12

Solving for variable 'x'.

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

Add '-8.5' to each side of the equation.
8.5 + -8.5 + -1x = 12 + -8.5

Combine like terms: 8.5 + -8.5 = 0.0
0.0 + -1x = 12 + -8.5
-1x = 12 + -8.5

Combine like terms: 12 + -8.5 = 3.5
-1x = 3.5

Divide each side by '-1'.
x = -3.5

Simplifying
x = -3.5

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