0.3x-0.9=4.2

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Solution for 0.3x-0.9=4.2 equation: 



0.3x-0.9=4.2

We move all terms to the left:

0.3x-0.9-(4.2)=0

We add all the numbers together, and all the variables

0.3x-5.1=0

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

0.3x=5.1

x=5.1/0.3

x=17

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