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u+1/2=16/4
We move all terms to the left:
u+1/2-(16/4)=0
We add all the numbers together, and all the variables
u+1/2-4=0
We add all the numbers together, and all the variables
u-4+1/2=0
We multiply all the terms by the denominator
u*2+1-4*2=0
We add all the numbers together, and all the variables
u*2-7=0
Wy multiply elements
2u-7=0
We move all terms containing u to the left, all other terms to the right
2u=7
u=7/2
u=3+1/2
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