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-1 = 1/2 x -4
We simplify the equation to the form, which is simple to understand
-1=1/2x-4
We move all terms containing x to the left and all other terms to the right.
-2x=-4+1
We simplify left and right side of the equation.
-2x=-3
We divide both sides of the equation by -02 to get x.
x=1.5
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