3(u-77)-78=-42

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Solution for 3(u-77)-78=-42 equation: 



3(u-77)-78=-42

We move all terms to the left:

3(u-77)-78-(-42)=0

We add all the numbers together, and all the variables

3(u-77)-36=0

We multiply parentheses

3u-231-36=0

We add all the numbers together, and all the variables

3u-267=0

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

3u=267

u=267/3

u=89

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