October 2018 2 20 Report

Rozwiąż równania :

1. 1/4x-(4+1/2x)=-2

2. 2(3-x)-4(x-5)=2x+2

3. 1/3*(-6x+9)-4=-5(x+1)

4. 0,2*(10-5x)=3+2(x-1)

5. 37=(20-4x) *0,5-7x

6. a/2+2+a/2=3

Proszę o pomoc !


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