Answer:
Y= -3+2x
Step-by-step explanation:
2x-y= 3
Subtract 2x from both sides of the equation
2x-2x-y=3-2x
-y=3-2x
Multiply each term in -y=3-2x by -1
(-y)-1= 3(-1)+(-2x)-1
y= -3+2x
Therefore add the answer-3+2x into the equation to represent y
2x-(-3+2x)=3
2x+3-2x=3
2x-2x+3=3
3=3
