1) 5 x+4=−6 – 3 x 2) 2 x+1– (4−x)=5 x−2
3) 7 x – 3=2 x+1
4) −3(x+1)+2(2 x+1)=5 (x+1)

AIDEZ MOI SVP JE VOUS EST MIT 15 PTS
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