-1.2x-9=21

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Solution for -1.2x-9=21 equation: 



-1.2x-9=21

We move all terms to the left:

-1.2x-9-(21)=0

We add all the numbers together, and all the variables

-1.2x-30=0

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

-1.2x=30

x=30/-1.2

x=-25

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