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(x+3500-68740)*0.299999+(x+3500)=128579.75
We move all terms to the left:
(x+3500-68740)*0.299999+(x+3500)-(128579.75)=0
We add all the numbers together, and all the variables
(x-65240)*0.299999+(x+3500)-(128579.75)=0
We add all the numbers together, and all the variables
(x-65240)*0.299999+(x+3500)-128579.75=0
We multiply parentheses
0.299999x+(x+3500)-19571.93476-128579.75=0
We get rid of parentheses
0.299999x+x+3500-19571.93476-128579.75=0
We add all the numbers together, and all the variables
1.299999x-144651.68476=0
We move all terms containing x to the left, all other terms to the right
1.299999x=144651.68476
x=144651.68476/1.299999
x=111270+0.7960300000268/1.299999
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