2u+78=9u-48

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Solution for 2u+78=9u-48 equation: 



2u+78=9u-48

We move all terms to the left:

2u+78-(9u-48)=0

We get rid of parentheses

2u-9u+48+78=0

We add all the numbers together, and all the variables

-7u+126=0

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

-7u=-126

u=-126/-7

u=+18

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