a)
1/4x + 1/6y = 2
1/2x - 1/3y = 0 / *(-1/2)
1/4x - 1/6y = 2
-1/4x + 1/6y = 0
2/6y = 2 = 1/3 y
y=6
1/4x + 1/6*6 = 2
1/4x = 1
x = 4
b)
1/3x + 1/5y = 0 / *(-2)
2/3x - 4/5y = -6
-2/3X - 2/5y = 0
-6/5y = -6 y= 5
2/3x - 4/5* 5 = -6
2/3x = 2 x= 3
a) 1/4x+1/6y=2
1/2x-1/3y=0 /*-(1/2)
1/4x+1/6y=2
-1/4x+1/9y=0
3/18y=2
2/18y=0
5/18y=2
y=7 ⅕
1/4x=2-1⅕
x=4/5*4
x=3⅕
reszta tak samo :)
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a)
1/4x + 1/6y = 2
1/2x - 1/3y = 0 / *(-1/2)
1/4x - 1/6y = 2
-1/4x + 1/6y = 0
2/6y = 2 = 1/3 y
y=6
1/4x + 1/6*6 = 2
1/4x = 1
x = 4
b)
1/3x + 1/5y = 0 / *(-2)
2/3x - 4/5y = -6
-2/3X - 2/5y = 0
2/3x - 4/5y = -6
-6/5y = -6 y= 5
2/3x - 4/5* 5 = -6
2/3x = 2 x= 3
a) 1/4x+1/6y=2
1/2x-1/3y=0 /*-(1/2)
1/4x+1/6y=2
-1/4x+1/9y=0
3/18y=2
2/18y=0
5/18y=2
y=7 ⅕
1/4x=2-1⅕
x=4/5*4
x=3⅕
reszta tak samo :)