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2•(x+1) -6=4
Am nevoie !


Răspuns :

Răspuns:

2×(x+1)-6=4

2×(x+1)=6+4

2×(x+1)=10

x+1=10÷2

x+1=5

x=5-1

x-=4

not. x+1=y

2y-6=4|÷2

y-3=2

y=5

x+1=5=>x=4

2•4+2-6=8+2-6=10-6=4

Sper sa fie bine.