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7(x+5)=9+7x
We simplify the equation to the form, which is simple to understand
7(x+5)=9+7x
Reorder the terms in parentheses
+(+7x+35)=9+7x
Remove unnecessary parentheses
+7x+35=+9+7x
We move all terms containing x to the left and all other terms to the right.
+7x-7x=+9-35
We simplify left and right side of the equation.
0x=-26
0=-26
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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