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-12=0.3x-15
We simplify the equation to the form, which is simple to understand
-12=0.3x-15
We move all terms containing x to the left and all other terms to the right.
-0.3x=-15+12
We simplify left and right side of the equation.
-0.3x=-3
We divide both sides of the equation by -00.3 to get x.
x=10
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