Question

determinati numărul x din:​

Answer 1

Răspuns:

2) a) 3x+36=82050/÷3

x+6=27350/-6

x=27344

b) 5x-2378=12017/+2378

5x=14395/÷5

x=2879

c) 65×13x=4225/÷65

13x=65/÷13

x=5

d)5x÷36=82050/×36

5x=2953800/÷5

x=590760

e) 12017-5x=2377

5x=12017-2377=9640/÷5

x=1928

f) 4225÷13x=65

325÷x=65

x=325÷65=5

3) a) (x-36)÷36=36/×36

x-36=1296/+36

x=1332

b) (27+2x)÷27=27/×27

27+2x=729/-27

2x=702/÷2

x=351

c) (650-x)×65=4225/÷65

650-x=65

x=650-65=585