## 12 x ( x – 1) : 3 = 26 + 23

Question

12 x ( x – 1) : 3 = 26 + 23

in progress 0
8 tháng 2020-10-15T11:35:52+00:00 2 Answers 84 views 0

1. $12.(x-1):3=26+23$

$↔12.(x-1):3=49$

$↔12.(x-1)=49.3=147$

$↔x-1=\dfrac{147}{12}$

$→x=\dfrac{147}{12}+1=\dfrac{53}{4}$

2. => 12(x-1):3=49

=> 12(x-1)=49.3=147

=> x-1=147:12=12,25

=> x=12,25+1=13,25