Question
solve the following two equations algebraically.
4x+3y=12
4x-y=4
give the coordinates of intersection.
4x+3y=12
4x-y=4
give the coordinates of intersection.
Answers
drwls
Subtract the second equation from the first. That will leave you with
4y = 8
Now solve for y. Once you have that, use either of your equations to get x.
4y = 8
Now solve for y. Once you have that, use either of your equations to get x.