0.45x-20-9=0.9x-20

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



0.45x-20-9=0.9x-20

We move all terms to the left:

0.45x-20-9-(0.9x-20)=0

We add all the numbers together, and all the variables

0.45x-(0.9x-20)-29=0

We get rid of parentheses

0.45x-0.9x+20-29=0

We add all the numbers together, and all the variables

-0.45x-9=0

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

-0.45x=9

x=9/-0.45

x=-20

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