Question

Q=4e +3f
(d) Work out the value of e when Q = 43 and f= 7​

Answer 1

Q=4e+3f

Substituting 'Q' and 'f'

43=4e + 3*7

4e=43-21

4e=22

e=11/2

e=5.5

Answer 2

Answer in the attachment

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