Kaing759 Kaing759

30-03-2014
Mathematics

Answered

If x = 2t - 9 and y = 5 - t, which of the following expresses y in terms of x?

Answer :

gaubudexuong gaubudexuong

30-03-2014

x= 2t-9 and y= 5 - t
Firstly find t in term of x x= 2t - 9 --> x + 9 = 2t --> t= (x+9)/2 --> t= (1/2x) + 3.5
Substitute t into equation y= 5 - t we get : y= 5 - (1/2x) - 3.5 --> y= 2.5 - (1/2x)
There, you solve for y in term of x

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