(32+17):7 = (12x+1)749:7 = (12x+1)77 = 84x + 7Subtract 7 from both sides:0 = 84xDivide by 84:0 = x
Ответ: x = 0.
(32+17):7 = (12x+1)7
49:7 = (12x+1)7
7 = 84x + 7
Subtract 7 from both sides:
0 = 84x
Divide by 84:
0 = x
Ответ: x = 0.