November 2018 2 8 Report

1. Rozwiąż równanie:

2(u-5)+15=3(u-4)+10

2. Ile rozwiązań ma równanie?:

a)2+x=1/2(4+2x)

b)2x-1=5+2x

c)x-x-x=x-x

d)2(x-4)=2x-4

PROSZE O OBLICZENIA!!!!


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