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-3x-2.3=12.85
We simplify the equation to the form, which is simple to understand
-3x-2.3=12.85
We move all terms containing x to the left and all other terms to the right.
-3x=+12.85+2.3
We simplify left and right side of the equation.
-3x=+15.15
We divide both sides of the equation by -3 to get x.
x=-5.05
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