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4(2x+5)=8x-9
We move all terms to the left:
4(2x+5)-(8x-9)=0
We multiply parentheses
8x-(8x-9)+20=0
We get rid of parentheses
8x-8x+9+20=0
We add all the numbers together, and all the variables
29!=0
There is no solution for this equation
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