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2010-03-23T16:04:30+01:00
A) x=P:ab
b) y=2t-3x
3x=2t-y
x= 2/3t - 1/3y

c) y=2(x-1)
y=2x-2
2x=y+2
x=1/2y+1
1 5 1
2010-03-23T16:05:16+01:00
A)
P = abx |:ab
P:ab = x
x = P/ab

b)
y = 2t-3x |+3x
y+3x = 2t |-y
3x = 2t-y |:3
x = (2t-y)/3

c)
y = 2(x-1)
y = 2x-2 |+2
y+2 = 2x
2x = y+2 |:2
x = (y+2)/2
x = 0,5y+1
1 4 1