10a+9a=-38

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Solution for 10a+9a=-38 equation: 



10a+9a=-38

We move all terms to the left:

10a+9a-(-38)=0

We add all the numbers together, and all the variables

19a+38=0

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

19a=-38

a=-38/19

a=-2

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