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(0.4940+9x)/10=0.9
We move all terms to the left:
(0.4940+9x)/10-(0.9)=0
We add all the numbers together, and all the variables
(9x+0.494)/10-(0.9)=0
We add all the numbers together, and all the variables
(9x+0.494)/10-0.9=0
We multiply all the terms by the denominator
(9x+0.494)-(0.9)*10=0
We add all the numbers together, and all the variables
(9x+0.494)-9=0
We get rid of parentheses
9x+0.494-9=0
We add all the numbers together, and all the variables
9x-8.506=0
We move all terms containing x to the left, all other terms to the right
9x=8.506
x=8.506/9
x=5.6480743691899/5.9760956175299
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