Respuesta :

starella11

Answer:

u = -21/5 = -4.200

Step-by-step explanation:

Solve  :    5u+21 = 0  

Subtract  21  from both sides of the equation :  

                     5u = -21  

Divide both sides of the equation by 5:

                    u = -21/5 = -4.200  

One solution was found :

                  u = -21/5 = -4.200

:)

dugo

Answer:

u=-4.2

Step-by-step explanation:

first add 27 to -48

[tex] - 48 + 27 = - 21[/tex]

then you need to divide -21 by 5 to get answer

[tex]5u = - 21 \\ - 21 \div 5 \\ u = - 4.2[/tex]

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