SOLUTION: Two domestic parcel companies charge as per the functions given below. For what weight (x), the charge (y) is the same in both companies? Company A: y = 2x + 3 Company B: y = 1

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Question 1141949: Two domestic parcel companies charge as per the functions given below. For what weight (x), the charge (y) is the same in both companies? Company
A: y = 2x + 3
Company B: y = 1.5x + 4
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
(1) +y+=+2x+%2B+3+
(2) +y+=+1.5x+%2B+4+
Subtract (2) from (1)
(1) +y+=+2x+%2B+3+
(2) +-y+=+-1.5x+-+4+
---------------------------
+0+=+.5x+-+1+
+.5x+=+1+
+x+=+2+
and
(1) +y+=+2%2A2+%2B+3+
(1) +y+=+7+
------------------------
The charge is +y+=+7+ when weight is +x+=+2+
for both companies