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42/(-6)-7=0
We simplify the equation to the form, which is simple to understand
42/(-6)-7=0
Reorder the terms in parentheses
+(-7)-7=0
Remove unnecessary parentheses
-7-7=0
We move all terms containing to the left and all other terms to the right.
0=0+7+7
We simplify left and right side of the equation.
0=+14
0=14
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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