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2 × (x +1) - 6 = 4 cat e x ?

Răspuns :

2 ( x + 1 ) = 4 + 6
2 ( x + 1 ) = 10
x + 1 = 10 / 2
x + 1 = 5
x = 5 - 1
x = 4
2(x+1)-6=4
2(x+1)=4+6
x+1=10÷2
x=5-1
x=4