2x−y=3 x+y=3
cancel +y and −y then add 2x+x and put it equal to 3+3
then solve it and x=2 after that put in equation 1 which is 2x−y=3 now place the value of x in this equation 2(2)−y=3 now solve the equation 4−y=3 −y=−1 cancel the minus sign and the ans will be y=1