Question

7. Rezolvati in multimea numerelor naturale ecuatiile
a) x+37=75
b) X-47=93
c) 4275+x=11111
f) r.17 = 51
g) x:13-493 h) 1024:x=32
k) 2. (5x – 3) = 94
1) 3. (2x + 7) - 5 = 22
8. Scoateti factorul comun
d) 457-x=237
e) 5.x = 125
i) 2.x + 5 = 17 j) 3.x-1= 14
m) 5.[2. (3x + 2) - 11] + 4 = 29

Answer 1

exercițiul 7

___________________