3000-0.12x=4200

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Solution for 3000-0.12x=4200 equation: 



3000-0.12x=4200

We move all terms to the left:

3000-0.12x-(4200)=0

We add all the numbers together, and all the variables

-0.12x-1200=0

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

-0.12x=1200

x=1200/-0.12

x=-10000

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