Răspuns :
La punctul a nu înțeleg unde e x
b)x-8-6=23-3
x-2=20
x=20+2
x=22
c)4+3-x=100-99
7-x=1
x=7-1
x=6
d)7+x+8=100
15+x=100
x=100-15
x=85
b)x-8-6=23-3
x-2=20
x=20+2
x=22
c)4+3-x=100-99
7-x=1
x=7-1
x=6
d)7+x+8=100
15+x=100
x=100-15
x=85