Question

2(11x-5)-17x=55 помогите пожалуста

Answer 1

2( 11x - 5 ) - 17x = 55
22x - 10 - 17x = 55
5x = 55 + 10
X = 65 : 5
X = 13

Answer 2

2(11х-5)-17х=55
22х-10-17х=55
5х=55+10
5х=65
х=65:5
х=13

проверка
2(11*13-5)-17*13=55
2*(143-5)-221=55
2*138-221=55
276-221=55
55=55