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2.1(x+1/10)=3.96
We move all terms to the left:
2.1(x+1/10)-(3.96)=0
We add all the numbers together, and all the variables
2.1(+x+1/10)-(3.96)=0
We add all the numbers together, and all the variables
2.1(+x+1/10)-3.96=0
We multiply parentheses
2.1x-3.96+1/10*2.1=0
We multiply all the terms by the denominator
(2.1x)*10*2.1+1-(3.96)*10*2.1=0
We add all the numbers together, and all the variables
(+2.1x)*10*2.1+1-(3.96)*10*2.1=0
We add all the numbers together, and all the variables
(+2.1x)*10*2.1-82.16=0
We move all terms containing x to the left, all other terms to the right
(+2.1x)*10*2.1=82.16
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