If you're talking about the brainly app then there are two options, the one to scan number problems (new) and the one for word problems with has the letter A on an icon, click on this if you have a word problem and the other one if you have equation
3.) 5x-6=0, Add 6 to either side -> 5x=6, divide each side by 5 -> x=6/5 ---- 4.) x+y/3=5, multiple each side by 3 -> x+y=15, move y to the other side -> x=-y+15
