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3.5-2(x+4)=5.4
We simplify the equation to the form, which is simple to understand
3.5-2(x+4)=5.4
Reorder the terms in parentheses
3.5+(-2x-8)=5.4
Remove unnecessary parentheses
+3.5-2x-8=+5.4
We move all terms containing x to the left and all other terms to the right.
-2x=+5.4-3.5+8
We simplify left and right side of the equation.
-2x=+9.9
We divide both sides of the equation by -2 to get x.
x=-4.95
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