September 2018 1 39 Report

Zadanie 8

Ile rozwiązań ma równanie?

a) 2a+10=2(a+5)

b)x+\frac{5-4x}{3}=\frac{-x+5}{3}

c)\frac{2x-6}{2}-\frac{5x+4}{3}=1-\frac{2}{3}x

d)\frac{c+2}{5}-3=\frac{4+2c}{10}+30


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