x= 1
y= 3
first thing=
> we have to see if there is any equal variables in the equation
> (by equal i mean, if there is any variables in the equation that can cancel eachother)
> variables have to be equal in number too
then=
> after cancel the variables (which is y in this situation)
> add everything else like (the equation together)
2x + x = 3x and -1 + 4 = 3x
then=
> u just have to do algebra
> then u will find x
after that=
> take any equation from the question(i take the easiest one to solve)
> which is x + y = 4
then= i solve it as a normal question
> x=1
:. x+y=4
1+y=4
y=3
done
i hope u understood <3
