0.9=x+(x-0.2)+(x-0.43)

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Solution for 0.9=x+(x-0.2)+(x-0.43) equation: 



0.9=x+(x-0.2)+(x-0.43)

We move all terms to the left:

0.9-(x+(x-0.2)+(x-0.43))=0



We calculate terms in parentheses: -(x+(x-0.2)+(x-0.43)), so:

x+(x-0.2)+(x-0.43)

We get rid of parentheses

x+x+x-0.2-0.43

We add all the numbers together, and all the variables

3x-0.63

Back to the equation:

-(3x-0.63)



We get rid of parentheses

-3x+0.63+0.9=0

We add all the numbers together, and all the variables

-3x+1.53=0

We move all terms containing x to the left, all other terms to the right

-3x=-1.53

x=-1.53/-3

x=1/1.9607843137255

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