u+12u-15u+-11u+20u=13

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Solution for u+12u-15u+-11u+20u=13 equation: 



u+12u-15u+-11u+20u=13

We move all terms to the left:

u+12u-15u+-11u+20u-(13)=0

determiningTheFunctionDomain
u+12u-15u-11u+20u-13+=0

We add all the numbers together, and all the variables

7u=0

u=0/7

u=0

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