Question

calcule:
a)|-7| +7
b)|-1|-|-1|
c)|2x-| quando x:-5.

Answer 1

a) | -7 | + 7 = 7 + 7 = 14
b) | -1 | - | -1 | = 1 - 1 = 0
c)  |2x | = |2( -5 ) | = |-10 | = 10