October 2018 2 19 Report

Rozwiaz rownania: ale w taki sposob:

5x=3x+8 I-3x

2x=8 I:2

x=4

a)4x-2=3x-5

b)2x+7=5x-8

c)6x-4=3x+9

d)5x-7=7x-15


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