0.45x-9=0.9xx=-20

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Solution for 0.45x-9=0.9xx=-20 equation: 



0.45x-9=0.9xx=-20

We move all terms to the left:

0.45x-9-(0.9xx)=0

We add all the numbers together, and all the variables

0.45x-(+0.9xx)-9=0

We get rid of parentheses

0.45x-0.9xx-9=0

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

0.45x-0.9xx=9

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