Question

Найдите корень уровнения: 35÷(х-12)+1=8

Answer 1

$\displaystyle 35:(x-12)+1=8,x\neq 12\\\\ \frac{35}{x-12}+1=8\\\\ \frac{35}{x-12}=8-1\\\\ \frac{35}{x-12}=7\\\\ 35=7(x-12)\\5=x-12\\-x=-12-5\\-x=-17\\x=17$

Answer 2

35÷(х-12)+1=8

Х-12=35÷(8-1)

Х-12=5

Х=12+5

Х=17