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4-(2-30)=0
We simplify the equation to the form, which is simple to understand
4-(2-30)=0
Simplifying terms in parentheses
4-(-28)=0
Remove unnecessary parentheses
4+28=0
We move all terms containing to the left and all other terms to the right.
0=0-4-28
We simplify left and right side of the equation.
0=-32
0=-32
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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