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23 February, 20:43

Solve for w.

E = hf-w

w=?

1) E/hf

2) - E/hf

3) E + hf

4) hf - E

+5
Answers (1)
  1. 23 February, 21:12
    0
    E = hf-w

    move hf to the other side

    sign changes from + hf to - hf

    E-hf = hf-hf-w

    E-hf = - w

    mutiply both sides by - 1 to get + w

    (-1) (E) = - E

    (-1) (-hf) = hf

    Answer: hf - E - 4)
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