Odpowiedzi

2010-03-03T14:37:00+01:00
4x+6y=14
2(x-1)=2+3(1-y)
4x+6y=14
2x-x=2+3-3y
4x+6y=14
x+3y=5/*-2
4x+6y=14
-2x-6y=-10
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2x=4/2
x=2
4x+6y=14
4*2+6y=14
6y=6/6
y=1
2010-03-03T14:42:27+01:00
{4x+6y=14 / 2
2(x-1)=2+3(1-y)

2x+3y = 7
2x-2=2+3-3y

3y=7-2x
2x=3-3y

3y=7-2(3-3y)
2x=3-3y

3y=7-6+6y
2x=3-3y

3y=1+6y
2x=3-3y

3y-6y= 1
2x = 3-3y

-3y=1
2x=3-3y

y=-1/3
2x= 3-3*1/3

y= -1/3
2x= 3-1

y=-1/3
x=1