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-3(1/2-1)=9
We simplify the equation to the form, which is simple to understand
-3(1/2-1)=9
Simplifying:
-3*( + 0.5-1)=9
Simplifying terms in parentheses
-3*(-0.5)=9
Reorder the terms in parentheses
+(+1.5)=9
Remove unnecessary parentheses
+1.5=+9
We move all terms containing to the left and all other terms to the right.
0=+9-1.5
We simplify left and right side of the equation.
0=+7.5
0=7.5
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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