Respuesta :

Danielh42

Answer:

u = -12

Step-by-step explanation:

add -8u and 5u together.

    -8u + 5u = -3u

add 7 to both sides.

    29 + 7 = 36

    -7 + 7 = 0

You now have the following equation:

    36 = -3u

Divide both sides by -3.

    36/-3 = -12

    -3u/-3 = u

u = -12

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