Bentuk sederhana dari 2(x-1) per 5 = x - 1 per 5

[tex] \frac{2(x-1)}{5}= \frac{x-1}{5}\\ 5\times2(x-1) = 5\times(x-1)\\ 10(x-1)=5x-5\\ 10x-10=5x-5\\ 10x-5x=-5+10\\ 5x=5\\ x =5\div5\\ \bold{x=1} [/tex]