October 2018 2 12 Report

Rozwiąż równanie :

a) 2x+5=14,8+(x-3)

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

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

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

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

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

*=mnożenie

np: 1/2 = ułamek

Proszę o pomoc :)


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