Respuesta :
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)
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)