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4x+20=2(2x+5)
We simplify the equation to the form, which is simple to understand
4x+20=2(2x+5)
Reorder the terms in parentheses
4x+20=+(+4x+10)
Remove unnecessary parentheses
+4x+20=+4x+10
We move all terms containing x to the left and all other terms to the right.
+4x-4x=+10-20
We simplify left and right side of the equation.
0x=-10
0=-10
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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