Step-by-step explanation:
y=2x-5
You collect like terms by moving 2x over the = sign which turns to -2x and the moving y to the other side
which will also equally turn to -y
-2x= -5-y
then you divide both sides by -2 to make x the subject
-2x/-2 = (-5-y)/-2
= x = -5-y/-2
