August 2018 2 11 Report
II sposoby:
I.Asia: 3(2x-1)=12 /:3
2x-1=4 /+1
2x=5 /:2
x= 2 1/2

II. Leszek:
3(2x-1)= 12
6x - 3= 12 /+3
6x=15 /:6
x=15/6
x=2 1/2

Rozwiąż podane równania:
a) sposobem Asi:
2(5x-1)=8
1/2(4y+6)=3
-3(x-2)= -9
b)sposobem Leszka:
2(5x-1)=8
1/2(4y+6)=3
-3(x-2)= -9

zad.2.
rozwiąż równania:
2x-6=3(x+1)
1/3(y-1)=5y
6z+8/2 = 4

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