Question

Rezolva ecuatia 3(x-2)+6,5=12,5

Answer 1

$\bf 3(x-2)+6,5=12,5$

$\bf 3x-6+6,5=12,5$

$\bf 3x+0,5=12,5$

$\bf 3x=12,5-0,5$

$\bf 3x=12\:\:\:|:3\:\text{(\it impartim toata relatia cu 3 )}$

$\boxed{\bf x =4}$