Question

480-x:15-270=120 уровнение

Answer 1

$480 - x div 15 - 270 = 120 \ 480 - frac{x}{15} = 120 \ 3150 - x = 1800 \ - x = 1800 - 3150 \ - x = - 1350 \ x = 1350$

Answer 2

210-х/15-270=120 забыл) дописать

Answer 3

480-x÷15-270=120

480-x÷15=120+270

480-x÷15=390

x÷15=480-390

x÷15=90

x=90×15

x=1350