Rozwiąż równanie metodą przeciwnych współczynników lub metodą podstawiania. 8 (4-3y/2) - 5y = -1
8x - 5y = 6
8 (4-3y/2) - 5y = -18x - 5y = 6
12-24y/2-5y = -1
8x-5y=6
6-12y-5y=-1
6-7y= -1
8x=5y+6
-7y=-7 => y=1
8x=5*1+6
8x=12
x=12/8
x=1,5
y=1
32-12y-5y=-1
-17y=-1-32
-17y=-33 /:(-17)
y=33/17
8x-5*33/17=6
8x-165/17=6
8x=6+165/17
8x=267/17 /:8
y=33/17 a to =1i 16/17
x=267/136 to =1i 131/136
spr
8*267/136-5*33/17=6
267/17-167/17=6
102/17=6
6=6
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8 (4-3y/2) - 5y = -1
8x - 5y = 6
12-24y/2-5y = -1
8x-5y=6
6-12y-5y=-1
8x-5y=6
6-7y= -1
8x=5y+6
-7y=-7 => y=1
8x=5*1+6
8x=12
x=12/8
x=1,5
y=1
8 (4-3y/2) - 5y = -1
8x - 5y = 6
32-12y-5y=-1
8x-5y=6
-17y=-1-32
8x-5y=6
-17y=-33 /:(-17)
8x-5y=6
y=33/17
8x-5*33/17=6
y=33/17
8x-165/17=6
y=33/17
8x=6+165/17
y=33/17
8x=267/17 /:8
y=33/17 a to =1i 16/17
x=267/136 to =1i 131/136
spr
8x-5y=6
8*267/136-5*33/17=6
267/17-167/17=6
102/17=6
6=6