Question

Stiind ca X-2xY+13=52 , determinati 3xX-6xY+1 .

Answer 1

$x-2y+13=52 \\ \\ 3*x-6*y+1=? \\ \\ x-2y=39 \\ \\ 3(x-2y)+1=3*39+1=117+1=118$