15(9.40+u)=420

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Solution for 15(9.40+u)=420 equation: 



15(9.40+u)=420

We move all terms to the left:

15(9.40+u)-(420)=0

We add all the numbers together, and all the variables

15(u+9.4)-420=0

We multiply parentheses

15u+141-420=0

We add all the numbers together, and all the variables

15u-279=0

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

15u=279

u=279/15

u=18+3/5

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