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Anaelena3
a fost răspuns

Calculati ecuatiile 3•(x+1)+2=2x+1
4•( x+2)+2=3x+2
5•( x+1)+2=4x+1
6•(x+2)+1=5x+1

Răspuns :

CosmoteRo
3x+3+2=2x+1
3x-2x=1-5
x=-4

4x+8+2=3x+2
4x-3x=2-10
x=-8

5x+5+2=4x+1
5x-4x=1-7
x=-6

6x+12+1=5x+1
6x-5x=1-13
x=-12

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