4u+2u=-12

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Solution for 4u+2u=-12 equation: 



4u+2u=-12

We move all terms to the left:

4u+2u-(-12)=0

We add all the numbers together, and all the variables

6u+12=0

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

6u=-12

u=-12/6

u=-2

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