-3-x=12

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Solution for -3-x=1\2 equation:


-3-x=1\2                     

We simplify the equation to the form, which is simple to understand 
-3-x=1\2

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

We simplify left and right side of the equation. 
-1x=+4

We divide both sides of the equation by -1 to get x. 
x=-4

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