0.3x-0.7=0.7x-0.9

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Solution for 0.3x-0.7=0.7x-0.9 equation: 



0.3x-0.7=0.7x-0.9

We move all terms to the left:

0.3x-0.7-(0.7x-0.9)=0

We get rid of parentheses

0.3x-0.7x+0.9-0.7=0

We add all the numbers together, and all the variables

-0.4x+0.2=0

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

-0.4x=-0.2

x=-0.2/-0.4

x=0.2/0.4

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