Question

при каких x выражения будут верны

Answer 1

(38-x)*11 = (36-x)*55

418-11x = 1980-55x

-11x+55x = 1980-418

44x=1562

x=1562:44

x=35,5

Answer 2

418 - 11x = 1980 - 55x
-11x + 55x = 1980 - 418
44x = 1562
x = 35,5