.55x+0.3x=x-9

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Solution for .55x+0.3x=x-9 equation: 



.55x+0.3x=x-9

We move all terms to the left:

.55x+0.3x-(x-9)=0

We add all the numbers together, and all the variables

0.85x-(x-9)=0

We get rid of parentheses

0.85x-x+9=0

We add all the numbers together, and all the variables

-0.15x+9=0

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

-0.15x=-9

x=-9/-0.15

x=+60

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