x-9=1.4x+3

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Solution for x-9=1.4x+3 equation: 



x-9=1.4x+3

We move all terms to the left:

x-9-(1.4x+3)=0

We get rid of parentheses

x-1.4x-3-9=0

We add all the numbers together, and all the variables

-0.4x-12=0

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

-0.4x=12

x=12/-0.4

x=-30

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