Question

a) x-5=8; b) x-9= -6 ; c) x-15=0; d) x-(-2)=3; e) x-(-4)=-1; f) x-(-1)=0. Va rog ajutatima.

Answer 1

a)    x - 5 = 8

x = 8 + 5

x = 13

__________

b)   x - 9 = - 6

x = - 6 + 9

x = 3

____________

c)    x - 15 = 0

x = 0 + 15

x = 15

____________

d)     x - ( - 2 ) = 3

x + 2 = 3

x = 3 - 2

x = 1

______________

e )   x - ( - 4 ) = - 1

x + 4 = - 1

x = - 1 - 4

x = - 5

_________

f)    x - ( - 1 ) = 0

x + 1 = 0

x = 0 - 1

x = - 1