Question

rozwiąz a) [x - 2] = 4 b) [ x + 2> 2

Answer 1

a)

[x - 2] = 4

x - 2 = 4

x = 4 +2

x = 6

b)

[ x + 2]>2

x + 2 >2

x > 2-2

x > 0