Question

реши уравнение 7 ( х+8)-25=66

Answer 1

7(x+8)-25=66
7x + 56 - 25 = 66
7x = 66 - 56 + 25
7x = 10 + 25
7x = 35
x = 5

Answer 2

7*(х+8)=66+25
7*(х+8)=91
х+8=91:7
х+8=13
х=13-8
х=5
7*(5+8)-25=66
Ответ: 5