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x+0.09x=291
We move all terms to the left:
x+0.09x-(291)=0
We add all the numbers together, and all the variables
1.09x-291=0
We move all terms containing x to the left, all other terms to the right
1.09x=291
x=291/1.09
x=266+1/1.0283018867925
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