16u+4-6u=6u-21

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Solution for 16u+4-6u=6u-21 equation: 



16u+4-6u=6u-21

We move all terms to the left:

16u+4-6u-(6u-21)=0

We add all the numbers together, and all the variables

10u-(6u-21)+4=0

We get rid of parentheses

10u-6u+21+4=0

We add all the numbers together, and all the variables

4u+25=0

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

4u=-25

u=-25/4

u=-6+1/4

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