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x/1.21+2x(1.331)=1000
We move all terms to the left:
x/1.21+2x(1.331)-(1000)=0
We multiply parentheses
x/1.21+2.662x-1000=0
We multiply all the terms by the denominator
x+(2.662x)*1.21-1000*1.21=0
We add all the numbers together, and all the variables
x+(+2.662x)*1.21-1000*1.21=0
We add all the numbers together, and all the variables
x+(+2.662x)*1.21-1210=0
We multiply parentheses
x+2.42x-1210=0
We add all the numbers together, and all the variables
3.42x-1210=0
We move all terms containing x to the left, all other terms to the right
3.42x=1210
x=1210/3.42
x=353+2.74/3.42
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