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28x-9=7(4x+5)
We simplify the equation to the form, which is simple to understand
28x-9=7(4x+5)
Reorder the terms in parentheses
28x-9=+(+28x+35)
Remove unnecessary parentheses
+28x-9=+28x+35
We move all terms containing x to the left and all other terms to the right.
+28x-28x=+35+9
We simplify left and right side of the equation.
0x=+44
0=44
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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