Ma puteți ajuta va rog frumos
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Răspuns:
1.9:x=1=>x=9
2.1+4x=9=>4x=8=>x=2
3.-5x+3=33=>-5x=30=>x=-6
4.31:x=8=>x=31/8(Nu stiu daca e ok aici)
5.-4x=16=>x=-4
6.x=16-14=2
7.-4x=36=>x=-9
8.-125+2x=25=>2x=150=>x=75
9.(-27)*(-243):729+x=10=>x=10-9=1
10.64:x=2=>x=64:2=32
11.-x=1+16-24=>x=7