4+2u=20

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Solution for 4+2u=20 equation:



4+2u=20
We move all terms to the left:
4+2u-(20)=0
We add all the numbers together, and all the variables
2u-16=0
We move all terms containing u to the left, all other terms to the right
2u=16
u=16/2
u=8

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