Odpowiedzi

2010-03-23T17:37:16+01:00
A) 2y - ab = c
2y=c+ab
y=c+ab/2

b) b = -ay + dv
b-dv=-ay
-b+dv=y

c) ay - c = 4ay - d
ay-4ay=-d+c
-3ay=-d+c
y=-d+c/-3a

d) 3by - z - a = 2by
3by-2by=z+a
by=z+a
y=z+a/b
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