3-x=12,5

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Solution for 3-x=12,5 equation:


3-x=12,5

We simplify the equation to the form, which is simple to understand 
3-x=12,5

We move all terms containing x to the left and all other terms to the right. 
-1x=+12.5-3

We simplify left and right side of the equation. 
-1x=+9.5

We divide both sides of the equation by -1 to get x. 
x=-9.5

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