Question

Determină pe x:
1)x+23=5+x+18
2)x+38+x=x+38+25
3)9+x+41=x+41+x​

Answer 1

Răspuns:

1) x-x=5+18-23

x=0

2)x+x-x=38+25-38

x=25

3)x-x-x=41-41-9

-x=-9/(×-1)

x=9