Whats 15= -15 - 8u equals to?

Mathematics

1 answer:

Nostrana [21]2 years ago

4 0

Method

15 = - 15 - 8u Add 15 to both sides.

15 + 15 = - 15 + 15 - 8u. This step is meant to get rid of -15 on the right side.

30 = -8u Divide both sides by 8

30 / -8 = u

Note

Usually what you are trying to do is reduce an equation so that it tells you what 1 of the letters is. Since there are many things u could be, you have to choose the one that best fits your answer

u = - 3 6/8

u = - 3 3/4

u = - 3.75

u = - 30/8

u = - 15 / 4

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