a.)
3+ 8 +x / 2 =2x + 13/*2
22+x=4x+26
x-4x=26-22
-3x=4/:-3
x=-4/3
x=-1 1/3
b.)
5 - X+5 /3 = 2-x/*3
15-3x+5=6-3x
-3x+3x=6-15-5
0=-14, równanie sprzeczne
A)3+8+x/2=2x+13
3+8-13=2x-x/2
-2=2x-x/2
2x-x/2= -2|*2
4x-x= -4
3x= -4|:3
x= -4/3
x= -1 i 1/3 B)5 - x+5 /3 = 2-x
-x +x = -5 - 5/3 + 2 |*3
0 = -15 -5 +60= - 14
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a.)
3+ 8 +x / 2 =2x + 13/*2
22+x=4x+26
x-4x=26-22
-3x=4/:-3
x=-4/3
x=-1 1/3
b.)
5 - X+5 /3 = 2-x/*3
15-3x+5=6-3x
-3x+3x=6-15-5
0=-14, równanie sprzeczne
A)
3+8+x/2=2x+13
3+8-13=2x-x/2
-2=2x-x/2
2x-x/2= -2|*2
4x-x= -4
3x= -4|:3
x= -4/3
x= -1 i 1/3
B)
5 - x+5 /3 = 2-x
-x +x = -5 - 5/3 + 2 |*3
0 = -15 -5 +6
0= - 14