Question

dau 40 puncte na rog e urgent
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Answer 1

Răspuns:

1

Explicație pas cu pas:

1 + 1 = 3

Answer 2

1 a) 9x-27-28+12x=5-3x

9x+12x+3x=5+27+28

24x=60

x=$\frac{24}{60}$

b) |x-1|=2

x-1=2 => x=3

SAU

x-1=-2 => x=-1