X+ 2y = 3; x - y = 6
solving systems using elimination

x=5, y= -1

Step-by-step explanation:

Let's solve your system by substitution.

x+2y=3;x−y=6

Step: Solvex+2y=3for x:

x+2y=3

x+2y+−2y=3+−2y(Add -2y to both sides)

x=−2y+3

Step: Substitute−2y+3forxinx−y=6:

x−y=6

−2y+3−y=6

−3y+3=6(Simplify both sides of the equation)

−3y+3+−3=6+−3(Add -3 to both sides)

−3y=3

−3y

−3

=

3

−3

(Divide both sides by -3)

y=−1

Step: Substitute−1foryinx=−2y+3:

x=−2y+3

x=(−2)(−1)+3

x=5(Simplify both sides of the equation)

x=5 and y=−1

I really hope this helped pls mark brainliest if you dont mind. thx :)

1) is right

step-by-step explanation: