Question

ПЖ ПЖ ПОМАГИТЕ ПЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖ​

Answer 1

Ответ:

$2700 \div (x - 12) = 90 \\ 90(x - 12) = 2700 \\ 90x - 1080 = 2700 \\ 90x = 2700 + 1080 \\ 90x = 3780 \\ x = 3780 \div 90 \\ x = 42$

Answer 2

2700:(x-12)=90 90=90

x-12=2700:90

x-12=30

x=30+12

x=42

2700:(42-12)=90