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7(x-1)-1=3x+4(-3+x)
We simplify the equation to the form, which is simple to understand
7(x-1)-1=3x+4(-3+x)
Reorder the terms in parentheses
+(+7x-7)-1=3x+4*(-3+x)
Remove unnecessary parentheses
+7x-7-1=+3x+4+*(-3+x+)
Reorder the terms in parentheses
+7x-7-1=3x+(-12+4x)
Remove unnecessary parentheses
+7x-7-1=+3x-12+4x
We move all terms containing x to the left and all other terms to the right.
+7x-3x-4x=-12+7+1
We simplify left and right side of the equation.
0x=-4
0=-4
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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