-4u+7(u-5)=-20

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Solution for -4u+7(u-5)=-20 equation: 



-4u+7(u-5)=-20

We move all terms to the left:

-4u+7(u-5)-(-20)=0

We add all the numbers together, and all the variables

-4u+7(u-5)+20=0

We multiply parentheses

-4u+7u-35+20=0

We add all the numbers together, and all the variables

3u-15=0

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

3u=15

u=15/3

u=5

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