0.12x-0.3=0.09x+0.21

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Solution for 0.12x-0.3=0.09x+0.21 equation: 



0.12x-0.3=0.09x+0.21

We move all terms to the left:

0.12x-0.3-(0.09x+0.21)=0

We get rid of parentheses

0.12x-0.09x-0.21-0.3=0

We add all the numbers together, and all the variables

0.03x-0.51=0

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

0.03x=0.51

x=0.51/0.03

x=17

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