October 2018 1 24 Report

Rozwiązywanie równań

a).2(3x-4)-3(5x-6)+4(7x+8)=115

b).-0,8(10-2x)+1,2(x-20)+1/5x=-58

c).x(x-5)-x(x+4)=-63

d).6x-7(11+2x)+2=-4(15-x)+3x

e).3(5x+3)=7(x+5)-3(2-x)

f).2(x-1)+4(x-3)=-3(x-2)+9x

g).5x-3(6-8x)=x-7(x+4)

h).2x+8(2x-3)-6(x-3)=5(3x+1)+2x-11

i).3(2x+3)-5(x-2)-4(x+7)=3

j).6(3,5-1,2x)=5(-3,5x+1,2)+0,3x


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