3.9q-4.2-5.7q=-0.8q-4.2

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Solution for 3.9q-4.2-5.7q=-0.8q-4.2 equation: 



3.9q-4.2-5.7q=-0.8q-4.2

We move all terms to the left:

3.9q-4.2-5.7q-(-0.8q-4.2)=0

We add all the numbers together, and all the variables

-1.8q-(-0.8q-4.2)-4.2=0

We get rid of parentheses

-1.8q+0.8q+4.2-4.2=0

We add all the numbers together, and all the variables

-q=0

q=0/-1

q=0

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