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4(20x+100)=1.040
We move all terms to the left:
4(20x+100)-(1.040)=0
We add all the numbers together, and all the variables
4(20x+100)-(1.04)=0
We add all the numbers together, and all the variables
4(20x+100)-1.04=0
We multiply parentheses
80x+400-1.04=0
We add all the numbers together, and all the variables
80x+398.96=0
We move all terms containing x to the left, all other terms to the right
80x=-398.96
x=-398.96/80
x=-4+26.675675675676/27.027027027027
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