3-15u=4(-3u+15)

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Solution for 3-15u=4(-3u+15) equation: 



3-15u=4(-3u+15)

We move all terms to the left:

3-15u-(4(-3u+15))=0



We calculate terms in parentheses: -(4(-3u+15)), so:

4(-3u+15)

We multiply parentheses

-12u+60

Back to the equation:

-(-12u+60)



We get rid of parentheses

-15u+12u-60+3=0

We add all the numbers together, and all the variables

-3u-57=0

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

-3u=57

u=57/-3

u=-19

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