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-2.3u+2.03=8.51+8.5u
We move all terms to the left:
-2.3u+2.03-(8.51+8.5u)=0
We add all the numbers together, and all the variables
-2.3u-(8.5u+8.51)+2.03=0
We get rid of parentheses
-2.3u-8.5u-8.51+2.03=0
We add all the numbers together, and all the variables
-10.8u-6.48=0
We move all terms containing u to the left, all other terms to the right
-10.8u=6.48
u=6.48/-10.8
u=-2.6129032258065/4.3548387096774
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