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-4+4(2-5x)=-9
We simplify the equation to the form, which is simple to understand
-4+4(2-5x)=-9
Reorder the terms in parentheses
-4+(+8-20x)=-9
Remove unnecessary parentheses
-4+8-20x=-9
We move all terms containing x to the left and all other terms to the right.
-20x=-9+4-8
We simplify left and right side of the equation.
-20x=-13
We divide both sides of the equation by -20 to get x.
x=0.65
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