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0,5(x-1)=4
We simplify the equation to the form, which is simple to understand
0,5(x-1)=4
Reorder the terms in parentheses
+( + 0.5x-0.5)=4
Remove unnecessary parentheses
+ 0.5x-0.5=+4
We move all terms containing x to the left and all other terms to the right.
+ 0.5x=+4 + 0.5
We simplify left and right side of the equation.
+ 0.5x=+4.5
We divide both sides of the equation by 0.5 to get x.
x=9
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