Respuesta :
He had started with 184 digital cameras and 56 manual cameras.
Let d = digital cameras
Let m = manual cameras
d + m = 240 .....( 1)
(d-82) = 3(m-26)
d - 82 = 3 m - 78
d - 3 m = 82 - 78
d - 3m = 16 ...(2)
What is the elimination method?
The elimination method is the process of eliminating one of the variables in the system of linear equations using the addition or subtraction methods in conjunction with the multiplication or division of coefficients of the variables.
Subtaracting equation 1 from 2
d + m = 240
d - 3m = 16
-4m = -224
m = -224/-4
m = 56
d + m = 240
d = 240-m
d = 240-56
d = 184
Therefore,He had started with 184 digital cameras and 56 manual cameras .
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Answer:
125
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Sorry I got this from a friend but I will try to update this a soon as possible
Hope it helps!
