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2(21+3)=0
We simplify the equation to the form, which is simple to understand
2(21+3)=0
Simplifying terms in parentheses
2*(+24)=0
Reorder the terms in parentheses
+(+48)=0
Remove unnecessary parentheses
+48=0
We move all terms containing to the left and all other terms to the right.
0=0-48
We simplify left and right side of the equation.
0=-48
0=-48
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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