Question

Va rog repede am nevoie de ajutor dau coroana !!!

Answer 1

a)5×x+7=272

5x=272-7

5x=265

x=53

Verific:

5×53+7=265+7=272 ✔

b)(8+3×x)×14-30=1762

112+42x-30=1762

82+42x=1762

42x=1762-82

42x=1680

x=40

Verific:

(8+3×40)×14-30=(8+120)×14-30=128×14-30=1792-30=1762 ✔

Problema formulată de mine:

6×x+9=327

6x=327-3

6x=318

x=53

Verific:

6×53+9=318+9=327 ✔