19-7.8q=-12.4

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Solution for 19-7.8q=-12.4 equation: 



19-7.8q=-12.4

We move all terms to the left:

19-7.8q-(-12.4)=0

We add all the numbers together, and all the variables

-7.8q+31.4=0

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

-7.8q=-31.4

q=-31.4/-7.8

q=4+0.2/7.8

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