ZADANIE 1
A=10
B=11
C=A+B=10+11
D=10*11=AB
6A-3B+A=A+B+C | -7A
-3B=-6A+B+C | -B
-4B=-6A+C | :4
-B=-1,5A+
B=1,5A-C:4
ZADANIE 2
|:2
x+1,5y+Bz=55 | : B
x+1,5y+z=55: | -(x+1,5y)
z=55:-x+1,5y | * 2
z=110:B-2x+3y
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ZADANIE 1
A=10
B=11
C=A+B=10+11
D=10*11=AB
6A-3B+A=A+B+C | -7A
-3B=-6A+B+C | -B
-4B=-6A+C | :4
-B=-1,5A+
B=1,5A-C:4
ZADANIE 2
|:2
x+1,5y+Bz=55 | : B
x+1,5y+z=55: | -(x+1,5y)
z=55:-x+1,5y | * 2
z=110:B-2x+3y