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3(x-2)-(4-y)=2
2x-2y=15
3x-6-4+y=2
2x-2y=15/-3
3x+y=12/2
-6x+6y=-45
6x+2y=24
___________________________
8y=-21//8
y=2,625
2x-2*2,625=15
y=2,625
2x-5,25=15
y=2,625
2x=5,25+15
y=2,625
2x=20,25//2
y=1,625
x=10,125
0,6x+0,1y=1/10
0,3x-0,2y=-0,5/10
6x+y=10/2
3x-2y=-5
12x+2y=20
3x-2y=-5
______________________
15x=15//15
x=1
12x+2y=20
x=1
12+2y=20
x=1
2y=-12+20
x=1
2y=8//2
x=1
y=4
mam nadzieje ze pomoglam ;D
pozdrawiam. i licze na naj ;P;)