October 2018 2 19 Report

bardzo szybko potrzebuję rozwiązanie tych przykładów ;)

a) 8x+5=2(4x+2,5)

b) 18-3(x+9)=-3 (3+x)

c) 12x-2 (x+3 ) = 3 ( x-5) +7x

d) 5(x-2)-7=6(-x-3)


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