September 2018 1 22 Report

Podaje dwa sposoby na zrobienie tego zadania :

sposób Asi

3(2x-1)=12 l:3

2x-1=4 l+1

2x=5 l:2

x=5/2

x=2/1/2

sposób Leszka

3(2x-1)=12

6x-3=12 l+3

6x=15l:6

x= 15/6

x=2/1/2

a) sposobem Asi

a) 2(5x-1)=8

b) 1/2(4y+6)=3

c)-3(x-2)=-9

b) rozwiąż spososeb leszka

a) 2(5x-1)=8

b) 1/2(4y+6)=3

c)-3(x-2)=-9

plis !! HELP !!!


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