4(u-9)=7u-45

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Solution for 4(u-9)=7u-45 equation: 



4(u-9)=7u-45

We move all terms to the left:

4(u-9)-(7u-45)=0

We multiply parentheses

4u-(7u-45)-36=0

We get rid of parentheses

4u-7u+45-36=0

We add all the numbers together, and all the variables

-3u+9=0

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

-3u=-9

u=-9/-3

u=+3

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