August 2018 2 8 Report
Temat: Rozwiązywanie zadań pierwszego stopnia z jedną niewiadomą.
a) 5-2(2-z)=3
b) 7(3y+1)-6(2y+3)=-2
c) 4(1,2x-0,75)+5(3-1,2x)=3
d) 4(x+3)-5=7
e) -10-(x-2)=14+x
f) 4-x=2x+5
g) 7y+3=9y+13
h) (2x+3)-(2x+3)=-3
i) 1-2y=5y-1
j) 2m+1=4m(2-1)+4
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