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Help me solve for U please help

Help Me Solve For U Please Help class=

Sagot :

[tex]u+\frac{4}{5}=2\frac{1}{3}\\ u+\frac{4}{5}=\frac{7}{3}\\ u=\frac{7}{3}-\frac{4}{5}\\ u=\frac{35}{15}-\frac{12}{15}\\ u=\frac{23}{15}[/tex]
        4          1
u  +  --    = 2 ---
         5         3

     1            2 * 3  + 1            7
2  ----    =  ----------------  =   ------
     3                 3                  3

Now we have to do

        4          7
u  +  --    =   ---
         5         3

         7          4                  7 * 5  -  4 * 3
u =  -------  -  -----    =      ------------------------   
         3         5                        3 * 5

         35  - 12                    23
u =  ------------------    =    ------
           15                          15