Question

45.9*(5.2+x)=0 решите уровнение

Answer 1

45.9*5.2+45.9х=0
229,5+45.9х=0
45.9х=-229.5
х=-229.5/45.9
х=-5

Answer 2

неправильно!

Answer 3

45.9*5.2+45.9*x=0
238.68+45.9x=0
45.9x=238.68
x=238.68/45.9
x=5.2

Answer 4

неправильно!