Răspuns:
b) x-3= -29
x=-29+3
x=-26
c) x+13=0
x= -13
d) x+9=3
x= 3-9
x= -6
e) x+17=-51
x= -51-17
x= -68
f) x+(-5)=4
x-5=4
x=4+5
x=9
