(x+1)÷3= -2
x+1= -[tex]\frac{2}{3}[/tex]
x= -1[tex]\frac{2}{3}[/tex]
Mam nadziję, że pomogłam. Licze na naj :)
(x + 1) : 3 = -2 | + 2
(x + 1) : 3 + 2 = 0
(x + 1) : 3 + (2 • 3) : 3 = 0
x + 2 • 3 + 1 = 0
x + 7 = 0
(x + 7) : 3 = 0
(x + 7) : 3 = 0 | • 3
x + 7 = 0
x + 7 = 0 | - 7
x = -7
x = -7
