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4(x-5)+9=2x+2(-4+x)
We simplify the equation to the form, which is simple to understand
4(x-5)+9=2x+2(-4+x)
Reorder the terms in parentheses
+(+4x-20)+9=2x+2*(-4+x)
Remove unnecessary parentheses
+4x-20+9=+2x+2+*(-4+x+)
Reorder the terms in parentheses
+4x-20+9=2x+(-8+2x)
Remove unnecessary parentheses
+4x-20+9=+2x-8+2x
We move all terms containing x to the left and all other terms to the right.
+4x-2x-2x=-8+20-9
We simplify left and right side of the equation.
0x=+3
0=3
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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