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-4x-7=12
We simplify the equation to the form, which is simple to understand
-4x-7=12
We move all terms containing x to the left and all other terms to the right.
-4x=+12+7
We simplify left and right side of the equation.
-4x=+19
We divide both sides of the equation by -4 to get x.
x=-4.75
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