rozwiaz uklad rownan metoda podstawiania:
2(x-1)=33
3x+2y=21
2x - 2=33
3x + 2y=21
2x=35
105 + 2y=21
2y= -84
y= -42
2x-2=33
3x-2y=21
2x=35 /: 2
x= 17,5
3*17,5 - 2y =21
2y= 21 - 52,5
2y= -31,5 /:2
y= -15,75
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2x - 2=33
3x + 2y=21
2x=35
3x + 2y=21
105 + 2y=21
2y= -84
y= -42
2x-2=33
3x-2y=21
2x=35 /: 2
x= 17,5
3*17,5 - 2y =21
2y= 21 - 52,5
2y= -31,5 /:2
y= -15,75