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x-4=4+5x
x-5x=4+4
-4x=8 //:(-4)
x=-2
h) -x-3-2x-8=-3-2x+2x+1 TUTAJ SKREŚLAMY -2x i +2x
-3x-11=-2
-3x=-2+11
-3x=9 //:(-3)
x=-3
i) 3-2x-x+4-2x+5=3x-4-5x+7
-5x+12=-2x+3
-5x+2x=3-12
-3x=-9 //:(-3)
x=3
DA DAAAAM , wszystko zrobione :D